ACCO Brands MEMORY FOAM BACKREST, 13-1/4W X 1-3/4D X 14-1/4H, BLACK

High-density memory cell foam was originally developed by NASA to relieve G-force strain during lift off. Temperature- and pressure-sensitive, it molds to the bodys contour, offering optimal comfort. Provides maximum back support. Two adjustable straps hold cushion in place. Back Support Type: Chair; Material(s): High-Density Memory Cell Pressure-Sensitive Foam; Width: 13 1/4 in; Depth: 1 3/4 in.