Add comfort to any seat with the Memory Foam and Gel Chair Cushion by Bluestone! The 3" thickness with dual layers of memory foam and support foam as well as gel that cools to help regulate body temperature, makes this cushion soft, supportive and comfortable. It fits most standard wheelchairs and is also ideal for cars, desks, office chairs, or even when cheering on your favorite sports team from the bleachers. The cushion helps to relieve back pain and tension from sitting for long periods of time. For easy care and cleaning, the cover is removable and machine washable, and also features an inner 100% waterproof lining to protect your cushion from accidents or spills. Lightweight with a convenient handle, the cushion is easily portable and travel friendly; bring it with you wherever you go!. Color: Black. Material: Polyester.