Office Depot Brand Memory Foam Back Rest, 14.13inH x 13.75inW x 2.31inD, Black

Temperature- and pressure-sensitive foam molds to the bodys contours for maximum support High-density memory foam (viscoelastic) helps relieve back discomfort. Its easy to adjust to fit to almost any chair back so you can take your back support with you. Contains virtually no pressure points like other foams and gels. Includes removable, washable, cotton/polyester fabric cover.