ROHO Fluid Resistant Wheel Chair Seat Cover, 21″ x 17″ x 2″Condition:* New Surplus Stock, In OEM Packaging. As Pictured. Additional Notes:* The cover has a stretch polyester top material that is a durable heavy weight fabric, with a soft feel. * The side material is composed of a 3-Layered knit polyester spacer fabric, which provides superior air circulation that ventilates and cools the user. * The fluid proof, solid, non-skid base material offers a durable easy to clean surface. ROHO8574