Product # 18C128

16 x 18 HARD BASE, COTTON, WEDGE

A positioning cushion for those who slide forward in their chair. These polyurethane foam wedges are 4.5" (11cm) high at the front, tapered to 3/4" (1.9cm) at the back. All come with tie straps at the back to hold them in place. The hard based versions correct sagging sling seats in wheelchairs.