Kensington Memory Foam Backrests, Black, 1 Each

High-density memory cells in Visco elastic foam help relieve back discomfort. Temperature and pressure-sensitive foam molds to the body's contour and provides maximum support. Originally developed by NASA to relieve astronauts of G-Force experience during takeoff. Seat rest features leatherlike bottom to reduce movement on chair. Back rest easily adjusts to fit almost any chair back.