Can you tell me the weight limit on the cushion?

I bought this cushion 16 months ago. As a 400lb person I can tell you that it provided sufficient relief for at least 12 months of all-day use before it became too flat to be helpful anymore. At this price I would call that a good investment for a year's worth of daily pain relief.

Does it really give a firm support?

The Everlasting Office Chair Cushion is made of 100% premium quality memory foam seat pillow, just like the world’s leading memory foam manufacturers. Using heat-responsive technology our advanced foam seat cushion for office chair molds perfectly to the shape of your bottom- guaranteeing custom support yet retains its shape after each use.

What are the dimensions of the cushion?

The Everlasting Comfort Seat Cushion is 17.5" x 13.5" x 3". Our memory foam seat cushion’s versatile design is an ideal fit for most common office chairs, car seats, stadium seats, wheelchairs, airplane seats, etc. Please check our product dimensions to ensure the size fits your needs.

Anyone had success with this helping chronic sciatica? so far, the backjoy seat has helped tremendously with sciatica. but wondering about this too.

This helped with sciatica and also the injury at the root of this with my piriformis muscles. I was in pain for a long time (two years). This was a key part of my healing process. I had other seat cushions (bamboo), which did not make a difference. This did.

Everlasting Comfort Gel Infused Memory Foam Seat Cushion Ventilated Back

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Description

🪑 Sit Smart, Feel Elite — Comfort That Works as Hard as You Do!

ADAPTIVE GEL INFUSED FOAM - Premium cooling gel memory foam molds perfectly to your body, reducing pressure points.
DOCTOR RECOMMENDED COMFORT - Clinically endorsed memory foam cushions your spine for all-day support and pain relief.
VERSATILE PORTABLE DESIGN - Compact, lightweight cushion fits office chairs, cars, planes, and stadium seats effortlessly.
LIFETIME REPLACEMENT GUARANTEE - Invest in comfort with a durable cushion backed by a lifetime replacement policy.
BREATHABLE MACHINE WASHABLE COVER - Stay fresh with a soft, ventilated cover that’s easy to clean and keeps you cool.

The Everlasting Comfort Gel Infused Memory Foam Seat Cushion features a ventilated, gel-infused memory foam core with an ergonomic U-shaped cutout designed to alleviate tailbone, hip, and lower back pain. Its breathable, machine-washable cover and non-slip base ensure lasting freshness and stability. Perfectly sized for office chairs, car seats, and travel, this durable cushion supports healthy posture during long sitting sessions and comes with a lifetime replacement guarantee.

Specifications

ASIN	B07JP3B5VL
Age Range Description	Adult
Best Sellers Rank	#36,675 in Home ( See Top 100 in Home ) #218 in Home Office Back Cushions & Seat Cushions
Brand Name	Everlasting Comfort
Coin Variety 1	Seat Cushion
Color	05. Black Ventilated
Customer Reviews	4.3 4.3 out of 5 stars (6,533)
Fabric Type	Multi-use Seat Cushions & Low Profile Design: Our Foam Seat Cushion Fits Common Office Chairs, Desks, Car Seats, Airplane Seats, and Are Designed With a Sleek, Low Profile Shape, Our Seat Cushion Seamlessly Integrates Without Altering Style. Compact Yet Supportive, It’s Ideal for Everyday Use in Cars, Trucks, Or Workspaces. This Ergonomic Cushion Offers Portable Comfort and is a Thoughtful and Pra…
Fill Material	Gel Memory Foam
Item Dimensions L x W	35.6L x 35.6W centimeters
Item Dimensions L x W x H	43.9L x 35.6W x 7.4H centimeters
Item Firmness Description	Medium
Item Type Name	Seat Cushion
Manufacturer	Upper Echelon Products LLC
Manufacturer Part Number	Seat Cushion for Office Chair
Manufacturer Warranty Description	Lifetime Replacement Policy. If you have any issues at all with your seat cushion or back cushion, then contact us and we will issue a free replacement, for life.
Material Features	Durable
Material Type	Memory Foam
Material Type Free	Latex Free
Model Name	Seat Cushion for Office Chair
Model Number	Seat Cushion for Office Chair
Number of Pieces	1
Pattern	Solid
Product Care Instructions	Remove cover from memory foam. Cover is machine washable on a gentle cycle with cold water. Dryer safe (low heat) or air-dry setting. DO NOT PUT MEMORY FOAM IN WASHER OR DRYER. Disclaimer: we do not guarantee this product cures lower back, coccyx, and sciatica pain
Recommended Uses For Product	Boating, Driving, Medical, Studying
Shape	Semi-circular with "U" Shape Cutout
Size	Large
Special Features	Anti-Slip, Compressible, Cooling, Portable, Removable Cover
Specific Uses For Product	Back Pain Relief., Circulation., Leg Fatigue & Swelling., Posture Support., Tailbone Pain Relief.
Target Use Body Part	Back, Legs
UPC	810062780020
Unit Count	1.0 Count

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Very reliable shop with genuine products. Will definitely buy again!

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