Curve Wheelchair Cushion Size: 22″ x 18″, Cover Type: Comfort-Tek Review DanceDiva July 5, 2019 July 5, 2019 No Comments on Curve Wheelchair Cushion Size: 22″ x 18″, Cover Type: Comfort-Tek Review 22″ Wide x 18″ Deep Provides Mild Anti-Thrust High Density Molded Foam Fluid Proof Cover Non-Skid Bottom More CU-FV-2218 22″ wide x 18″ deep curve wheelchair cushion with non-skid bottom and fluid proof cover.