High-Profile Backrest modifies chairs to provide firm, responsive support. Anatomical design maintains the back's natural curve and promotes neutral posture while seated for a long period. Designed with high-density foam for shape retention and firm support. Adjustable strap holds cushion in desired position. Soft, brushed covering is removable for easy cleaning.High-Profile Backrest modifies chairs to provide firm, responsive support. Anatomical design maintains the back's natural curve and promotes neutral posture while seated for a long period. Designed with high-density foam for shape retention and firm support. Adjustable strap holds cushion in desired position. Soft, brushed covering is removable for easy cleaning.