DMI Reversible Gel Foam Seat Cushion, 16inH x 18inW x 2inD, Black

This dual-sided cushion provides you with the choice between firm support and soft comfort. Use the built-in straps and handles to carry it wherever you need. Reversible design provides you with just the right amount of support and cushioning. Choose between firm, supportive foam and a softer, more cushioned feel. Gel layer conforms to your body for added stability, which helps alleviate stress in your lower back and tailbone. Can be placed on office chairs, dining chairs, wheelchairs, car seats and more. Removable cover has positioning straps and handles for easy transport.