Black adjustable seat or back cushion with cover partially unzipped, showing layered foam inserts inside
Black adjustable seat or back cushion with zippered cover, angled view on white background
Diagram of adjustable seat or back cushion showing memory foam insert conforming to a hand press, with labeled dimensions and interchangeable foam layers
Man seated in a car with seatbelt fastened, side view showing a black lumbar support cushion positioned behind his lower back against the seat.
Man in a teal shirt seated in a striped office chair with a black zippered lumbar cushion positioned behind his lower back.
    Black adjustable seat or back cushion with cover partially unzipped, showing layered foam inserts inside
    Black adjustable seat or back cushion with zippered cover, angled view on white background
    Diagram of adjustable seat or back cushion showing memory foam insert conforming to a hand press, with labeled dimensions and interchangeable foam layers
    Man seated in a car with seatbelt fastened, side view showing a black lumbar support cushion positioned behind his lower back against the seat.
    Man in a teal shirt seated in a striped office chair with a black zippered lumbar cushion positioned behind his lower back.
Black adjustable seat or back cushion with cover partially unzipped, showing layered foam inserts inside
Black adjustable seat or back cushion with zippered cover, angled view on white background
Diagram of adjustable seat or back cushion showing memory foam insert conforming to a hand press, with labeled dimensions and interchangeable foam layers
Man seated in a car with seatbelt fastened, side view showing a black lumbar support cushion positioned behind his lower back against the seat.
Man in a teal shirt seated in a striped office chair with a black zippered lumbar cushion positioned behind his lower back.
Black adjustable seat or back cushion with cover partially unzipped, showing layered foam inserts inside
Black adjustable seat or back cushion with zippered cover, angled view on white background
Diagram of adjustable seat or back cushion showing memory foam insert conforming to a hand press, with labeled dimensions and interchangeable foam layers
Man seated in a car with seatbelt fastened, side view showing a black lumbar support cushion positioned behind his lower back against the seat.
Man in a teal shirt seated in a striped office chair with a black zippered lumbar cushion positioned behind his lower back.
    Black adjustable seat or back cushion with cover partially unzipped, showing layered foam inserts inside
    Black adjustable seat or back cushion with zippered cover, angled view on white background
    Diagram of adjustable seat or back cushion showing memory foam insert conforming to a hand press, with labeled dimensions and interchangeable foam layers
    Man seated in a car with seatbelt fastened, side view showing a black lumbar support cushion positioned behind his lower back against the seat.
    Man in a teal shirt seated in a striped office chair with a black zippered lumbar cushion positioned behind his lower back.
Black adjustable seat or back cushion with cover partially unzipped, showing layered foam inserts inside
Black adjustable seat or back cushion with zippered cover, angled view on white background
Diagram of adjustable seat or back cushion showing memory foam insert conforming to a hand press, with labeled dimensions and interchangeable foam layers
Man seated in a car with seatbelt fastened, side view showing a black lumbar support cushion positioned behind his lower back against the seat.
Man in a teal shirt seated in a striped office chair with a black zippered lumbar cushion positioned behind his lower back.

About

Sit comfortably all day with the Adjustable Seat/Back Cushion — the versatile ergonomic cushion that works on your chair seat or backrest, featuring customizable foam inserts that conform to your body for personalized comfort and pain relief.

Why You'll Love It:

  • Dual-purpose versatility — Use as a seat cushion to relieve pressure on hips and tailbone, or as a back cushion for lumbar support — one cushion solves multiple comfort needs
  • Fully customizable to your body — Unique removable foam insert system lets you adjust firmness and contour to match your exact body shape, providing personalized support that generic cushions can't match
  • Reduces back strain and fatigue — Ergonomically designed to support proper spinal alignment and distribute weight evenly, preventing the pain and discomfort from prolonged sitting
  • Choice of premium foam materials — Available in supportive standard polyurethane foam or contouring memory foam to match your comfort preference and support needs
  • Stays securely in place — Velcro strips attach firmly to fabric chairs while included adjustable elastic strap works on smooth surfaces like leather or vinyl
  • Easy to maintain and hygienic — Removable, washable cover keeps your cushion fresh and clean, perfect for daily office use or shared workspaces

Product Specifications:

  • Dimensions: 17" W × 17.5" H × 2.25" D
  • Material Options: Standard polyurethane foam or Memory foam
  • Color: Black
  • Cover: Removable and washable
  • Attachment: Velcro strips for fabric surfaces, adjustable elastic strap for smooth surfaces
  • Customization: Removable foam inserts for personalized support
  • Use: Seat cushion or back cushion (dual-purpose)
  • Compatibility: Office chairs, car seats, wheelchairs, dining chairs, recliners
  • Manufacturer: Master Manufacturing

Ergonomic Benefits:

  • As Seat Cushion: Reduces pressure on hips, tailbone, and sit bones; improves weight distribution; prevents numbness and discomfort; promotes proper pelvic alignment
  • As Back Cushion: Maintains natural lumbar lordosis; reduces pressure on lumbar discs; prevents slouching; supports proper spinal alignment
  • Alleviates pain and muscle tension from prolonged sitting
  • Reduces fatigue and improves focus during long work sessions
  • Prevents development of chronic pain conditions
  • Supports recovery from back or tailbone injuries
  • Improves overall sitting posture
  • Customizable support adapts to individual body needs

Why Dual-Purpose Design Matters:

Most people need both seat and back support, but buying separate cushions can be expensive and cluttered. The Adjustable Seat/Back Cushion's versatile 17" × 17.5" size works perfectly on chair seats to relieve pressure points or on chair backs to provide lumbar support. The removable foam insert system allows you to customize the cushion differently for each use — firmer for seat support, softer for back support, or vice versa based on your needs.

Memory Foam vs. Standard Foam:

  • Memory Foam: Conforms to your body shape, provides pressure relief, ideal for those who prefer softer, contouring support, excellent for seat cushion use
  • Standard Polyurethane Foam: Firmer, more supportive, maintains shape better, ideal for those who need structured support, excellent for back cushion use

Ideal For:

  • Office workers experiencing back pain, hip pain, or tailbone discomfort from prolonged sitting
  • Anyone with inadequate seat cushioning or lumbar support in their current chair
  • People recovering from back, hip, or tailbone injuries
  • Individuals with sciatica, coccydynia (tailbone pain), or lower back conditions
  • Drivers who spend long hours in vehicles
  • Wheelchair users requiring customized seat or back support
  • Pregnant women needing additional comfort and support
  • Anyone seeking to prevent pain and improve sitting comfort
  • People who need both seat and back support but want one versatile solution

What's Included:

  • Adjustable Seat/Back Cushion with removable foam inserts
  • Removable, washable cover
  • Velcro attachment strips
  • Adjustable elastic strap

How to Customize Your Support:

  1. Start with all foam inserts in place
  2. Sit on cushion (for seat use) or lean against it (for back use)
  3. Assess the support level and comfort
  4. Remove or reposition inserts to adjust firmness and contour
  5. Fine-tune until you achieve comfortable, supportive fit
  6. Cushion should provide support without feeling too firm or too soft

Proper Use Tips:

As Seat Cushion:

  • Place cushion on chair seat with thicker portion toward back
  • Sit all the way back in chair
  • Ensure cushion doesn't raise you too high (adjust chair height if needed)
  • Weight should be distributed evenly across sit bones

As Back Cushion:

  • Place cushion at the small of your back (lumbar region)
  • Bottom of cushion should align with your belt line
  • Adjust chair backrest angle to 100-110 degrees
  • Cushion should fill lumbar curve without pushing you forward

Care Instructions:

  • Remove cover and machine wash cold, gentle cycle
  • Air dry or tumble dry low heat
  • Spot clean foam inserts as needed
  • Do not machine wash foam inserts
  • Regular cleaning maintains hygiene and extends product life

Backed by Ask Ergo Works' 30+ years of ergonomic expertise. The Adjustable Seat/Back Cushion is our top recommendation for anyone experiencing discomfort from prolonged sitting or seeking a versatile, customizable solution for both seat and back support. Our ergonomic specialists can help you customize the insert configuration for your specific needs.

Need help selecting the right support? Download our Chair Fitting Form or schedule a consultation with our certified ergonomic specialists for personalized recommendations.

Transform your sitting comfort today — and experience the difference that versatile, customizable ergonomic support makes. Perfect for office workers, drivers, wheelchair users, and anyone who sits for extended periods.

Sit comfortably all day with the Adjustable Seat/Back Cushion — the versatile ergonomic cushion that works on your chair seat or backrest, featuring customizable foam inserts that conform to your body for personalized comfort and pain relief.

Why You'll Love It:

  • Dual-purpose versatility — Use as a seat cushion to relieve pressure on hips and tailbone, or as a back cushion for lumbar support — one cushion solves multiple comfort needs
  • Fully customizable to your body — Unique removable foam insert system lets you adjust firmness and contour to match your exact body shape, providing personalized support that generic cushions can't match
  • Reduces back strain and fatigue — Ergonomically designed to support proper spinal alignment and distribute weight evenly, preventing the pain and discomfort from prolonged sitting
  • Choice of premium foam materials — Available in supportive standard polyurethane foam or contouring memory foam to match your comfort preference and support needs
  • Stays securely in place — Velcro strips attach firmly to fabric chairs while included adjustable elastic strap works on smooth surfaces like leather or vinyl
  • Easy to maintain and hygienic — Removable, washable cover keeps your cushion fresh and clean, perfect for daily office use or shared workspaces

Product Specifications:

  • Dimensions: 17" W × 17.5" H × 2.25" D
  • Material Options: Standard polyurethane foam or Memory foam
  • Color: Black
  • Cover: Removable and washable
  • Attachment: Velcro strips for fabric surfaces, adjustable elastic strap for smooth surfaces
  • Customization: Removable foam inserts for personalized support
  • Use: Seat cushion or back cushion (dual-purpose)
  • Compatibility: Office chairs, car seats, wheelchairs, dining chairs, recliners
  • Manufacturer: Master Manufacturing

Ergonomic Benefits:

  • As Seat Cushion: Reduces pressure on hips, tailbone, and sit bones; improves weight distribution; prevents numbness and discomfort; promotes proper pelvic alignment
  • As Back Cushion: Maintains natural lumbar lordosis; reduces pressure on lumbar discs; prevents slouching; supports proper spinal alignment
  • Alleviates pain and muscle tension from prolonged sitting
  • Reduces fatigue and improves focus during long work sessions
  • Prevents development of chronic pain conditions
  • Supports recovery from back or tailbone injuries
  • Improves overall sitting posture
  • Customizable support adapts to individual body needs

Why Dual-Purpose Design Matters:

Most people need both seat and back support, but buying separate cushions can be expensive and cluttered. The Adjustable Seat/Back Cushion's versatile 17" × 17.5" size works perfectly on chair seats to relieve pressure points or on chair backs to provide lumbar support. The removable foam insert system allows you to customize the cushion differently for each use — firmer for seat support, softer for back support, or vice versa based on your needs.

Memory Foam vs. Standard Foam:

  • Memory Foam: Conforms to your body shape, provides pressure relief, ideal for those who prefer softer, contouring support, excellent for seat cushion use
  • Standard Polyurethane Foam: Firmer, more supportive, maintains shape better, ideal for those who need structured support, excellent for back cushion use

Ideal For:

  • Office workers experiencing back pain, hip pain, or tailbone discomfort from prolonged sitting
  • Anyone with inadequate seat cushioning or lumbar support in their current chair
  • People recovering from back, hip, or tailbone injuries
  • Individuals with sciatica, coccydynia (tailbone pain), or lower back conditions
  • Drivers who spend long hours in vehicles
  • Wheelchair users requiring customized seat or back support
  • Pregnant women needing additional comfort and support
  • Anyone seeking to prevent pain and improve sitting comfort
  • People who need both seat and back support but want one versatile solution

What's Included:

  • Adjustable Seat/Back Cushion with removable foam inserts
  • Removable, washable cover
  • Velcro attachment strips
  • Adjustable elastic strap

How to Customize Your Support:

  1. Start with all foam inserts in place
  2. Sit on cushion (for seat use) or lean against it (for back use)
  3. Assess the support level and comfort
  4. Remove or reposition inserts to adjust firmness and contour
  5. Fine-tune until you achieve comfortable, supportive fit
  6. Cushion should provide support without feeling too firm or too soft

Proper Use Tips:

As Seat Cushion:

  • Place cushion on chair seat with thicker portion toward back
  • Sit all the way back in chair
  • Ensure cushion doesn't raise you too high (adjust chair height if needed)
  • Weight should be distributed evenly across sit bones

As Back Cushion:

  • Place cushion at the small of your back (lumbar region)
  • Bottom of cushion should align with your belt line
  • Adjust chair backrest angle to 100-110 degrees
  • Cushion should fill lumbar curve without pushing you forward

Care Instructions:

  • Remove cover and machine wash cold, gentle cycle
  • Air dry or tumble dry low heat
  • Spot clean foam inserts as needed
  • Do not machine wash foam inserts
  • Regular cleaning maintains hygiene and extends product life

Backed by Ask Ergo Works' 30+ years of ergonomic expertise. The Adjustable Seat/Back Cushion is our top recommendation for anyone experiencing discomfort from prolonged sitting or seeking a versatile, customizable solution for both seat and back support. Our ergonomic specialists can help you customize the insert configuration for your specific needs.

Need help selecting the right support? Download our Chair Fitting Form or schedule a consultation with our certified ergonomic specialists for personalized recommendations.

Transform your sitting comfort today — and experience the difference that versatile, customizable ergonomic support makes. Perfect for office workers, drivers, wheelchair users, and anyone who sits for extended periods.

Master Manufacturing by Master Manufacturing

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0 reviews

Adjustable Seat/Back Cushion, 91011, 91061

SKU:91011

Regular price
$37.10
Sale price
$37.10
Regular price
Sit comfortably all day with the Adjustable Seat/Back Cushion — the versatile ergonomic cushion that works on your chair seat or...  Read more
Sit comfortably all day with the Adjustable Seat/Back Cushion — the versatile ergonomic cushion that works on your chair seat or backrest, featuring customizable foam inserts that conform to your body for personalized comfort and pain relief. Most people need both seat and back support, but buying separate cushions can be expensive and cluttered. The Adjustable Seat/Back Cushion's versatile 17" × 17.5" size works perfectly on chair seats to relieve pressure points or on chair backs to provide lumbar support.
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FAQs About the Adjustable Seat/Back Cushion

1

How can I use the Adjustable Seat/Back Cushion — as a seat cushion or a back cushion?

The Adjustable Seat/Back Cushion is a dual-purpose cushion that can be placed on a chair seat to relieve pressure on the hips and tailbone, or positioned against a chair back to add lumbar support. The same 17" W x 17.5" H x 2.25" D cushion works either way, so one product can address both seat and back support needs.

2

How do I customize the fit of the Adjustable Seat/Back Cushion?

The Adjustable Seat/Back Cushion has a removable foam insert system that lets you take out or reposition inserts to change the firmness and contour. You can configure it firmer for seat support or softer for back support, adjusting the fit to your body rather than relying on a single fixed foam shape.

3

What's the difference between the memory foam and standard foam options for this cushion?

The Adjustable Seat/Back Cushion is available with either standard polyurethane foam or memory foam inserts. Standard polyurethane foam is firmer and holds its shape, which suits back-cushion use, while memory foam conforms more closely to the body and is generally preferred for seat-cushion use where pressure relief is the priority.

4

What kinds of chairs and seats will the Adjustable Seat/Back Cushion attach to?

The Adjustable Seat/Back Cushion is designed to work with office chairs, car seats, wheelchairs, dining chairs, and recliners. It attaches using Velcro strips on fabric surfaces, and an included adjustable elastic strap for smooth surfaces like leather or vinyl, so it can stay in place across different seat types.

5

What are the dimensions of the Adjustable Seat/Back Cushion?

The Adjustable Seat/Back Cushion measures 17" wide x 17.5" high x 2.25" deep. This sizing is intended to be compact enough to use on a chair back for lumbar support while still being large enough to cover a chair seat when repositioned there.

6

How do I clean the Adjustable Seat/Back Cushion?

The Adjustable Seat/Back Cushion has a removable, washable cover that can be machine washed on a cold, gentle cycle and air-dried or tumble-dried on low heat. The foam inserts themselves should not be machine washed — spot clean them as needed instead to maintain their shape and support.

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