Meet Your Seller

CoreComp Shop

See Seller Store

Main image of XL Seat Cushion for Office Chair, Thick Memory Foam, U-Shaped | 18.7 x 16.3 x 4.6 in memory foam cushion with coccyx cutout, non-slip base and washable cover for office, home and car

Alt view image 2 of 7 - XL Seat Cushion for Office Chair, Thick Memory Foam, U-Shaped | 18.7 x 16.3 x 4.6 in memory foam cushion with coccyx cutout, non-slip base and washable cover for office, home and car

Alt view image 3 of 7 - XL Seat Cushion for Office Chair, Thick Memory Foam, U-Shaped | 18.7 x 16.3 x 4.6 in memory foam cushion with coccyx cutout, non-slip base and washable cover for office, home and car

Alt view image 4 of 7 - XL Seat Cushion for Office Chair, Thick Memory Foam, U-Shaped | 18.7 x 16.3 x 4.6 in memory foam cushion with coccyx cutout, non-slip base and washable cover for office, home and car

Alt view image 5 of 7 - XL Seat Cushion for Office Chair, Thick Memory Foam, U-Shaped | 18.7 x 16.3 x 4.6 in memory foam cushion with coccyx cutout, non-slip base and washable cover for office, home and car

Alt view image 6 of 7 - XL Seat Cushion for Office Chair, Thick Memory Foam, U-Shaped | 18.7 x 16.3 x 4.6 in memory foam cushion with coccyx cutout, non-slip base and washable cover for office, home and car

Alt view image 7 of 7 - XL Seat Cushion for Office Chair, Thick Memory Foam, U-Shaped | 18.7 x 16.3 x 4.6 in memory foam cushion with coccyx cutout, non-slip base and washable cover for office, home and car

Shop All Generic Logic, Inc. Products | Visit CoreComp Shop Store

XL Seat Cushion for Office Chair, Thick Memory Foam, U-Shaped | 18.7 x 16.3 x 4.6 in memory foam cushion with coccyx cutout, non-slip base and washable cover for office, home and car

Be the first to review this product...

BEFORE YOU BUY (OFFICE OPTIMIZED): Engineered for maximum tailbone relief, this XL memory foam cushion needs a minimum chair surface of 18.7" x 16.3". Please be aware that its premium dense core will raise your seating height by about 4.6 inches. Ideal for spacious office chairs, providing you with the ultimate ergonomic support without bottoming out. U-SHAPED COCCYX CUTOUT Rear opening minimizes direct contact under the tailbone area for daily comfort. CONTOURED MEMORY FOAM Raised sides and sloped front edge help maintain a stable position without a sharp leg edge. NON-SLIP BOTTOM Grip dots assist in reducing movement; performance differs on curved, leather, or narrow seats. BREATHABLE REMOVABLE COVER Mesh cover encourages airflow and can be taken off via a concealed zipper for cleaning

Overview

Specs

Reviews

Any questions? Our AI mode will help you find out quickly.

Try me now

BEFORE YOU BUY (OFFICE
OPTIMIZED): Engineered for maximum tailbone relief, this XL memory foam cushion needs a minimum chair surface of 18.7" x 16.3".
Please be aware that its premium dense core will raise your seating height by about 4.6 inches.
Ideal for spacious office chairs, providing you with the ultimate ergonomic support without bottoming out.
U-SHAPED COCCYX CUTOUT Rear opening minimizes direct contact under the tailbone area for daily comfort.
CONTOURED MEMORY FOAM Raised sides and sloped front edge help maintain a stable position without a sharp leg edge.
NON-SLIP BOTTOM Grip dots assist in reducing movement; performance differs on curved, leather, or narrow seats.
BREATHABLE REMOVABLE COVER Mesh cover encourages airflow and can be taken off via a concealed zipper for cleaning

Additional Information
First Listed on Newegg	July 27, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
CONTACT

Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by CoreComp Shop Return Policy

Manufacturer Contact Info

For a directory of all our manufacturers, please click below.
Manufacturers Directory

Item#: 9SIC835M2T7084