Hard Base Wedge Cushion Features:

Hard Base Wedge Cushion 16 x 16 in A positioning cushion for those who slide forward in their chair. This polyurethane foam wedge is 4.5" high at the front, tapered to 3/4" at the back. Comes with tie straps at the back to hold it in place. Hard base corrects sagging sling seats in wheelchairs. 16 x 16"