CUSHION, WHEELCHAIR GEL E 16X16X1.75 A unique construction of High Resilient (HR) molded foam provides optimum stabilization, position, pressure reduction and seating posture This cushion is designed for clients who are at a low risk for skin breakdown Removable zippered polyester cover is low-shear, vapor permeable and water-resistant The cover also has a non slip bottom for added user comfort and safety