Store Library › Drive Gel-U-Seat™ Skin Protection 3" Gel/Foam Wheelchair Cushion, 18" x 22" x 3" Image 1 of 1 Drive Gel-U-Seat™ Skin Protection 3" Gel/Foam Wheelchair Cushion, 18" x 22" x 3" $53.34 sold out Meets flammability standard TB117Convenient 12” tie straps secure the cushion to the wheelchair. Sold Out Added! Meets flammability standard TB117Convenient 12” tie straps secure the cushion to the wheelchair.