Product Description This cushion is designed with a cut out to relieve pressure on the coccyx area. Dense foam cushion will support user in wheelchair, car or office chair. Zippered removable cover is washable. Product Benefits Rear Cutout Relieves Pressure On Coccyx And Tailbone Area.Dense Heavyweight Cushion Is Soft For Comfort But Firm Enough For Support.Attractive Navy Zippered Cover Is Washable And Dryable. Ingredients Suggestions Usage: For use in wheelchairs, transport chairs, home chairs, office chairs. Special Note Warnings California Proposition 65 WARNINGSome products on this website contains progesterone, a chemical known to the State of California to cause cancer. Consult with your physician before using this product.Disclaimerwelkinup.com offers nationally branded products that are produced according to manufacturing standards set by regulators at everyday low prices. Do not use unproven, unbranded products, which can pose serious risks to your health.