QUESTION: CAN I GET EXTRA POLY-COTTEN OUTER COVERS IF I ORDER THIS CUSHION? ANSWER: The cover is only available with each cushion. We do not sell the covers separately. For more discussions, options and details about the product, or to order the product, please click here These Akros 812 Series gel wheelchair cushions are designed for long term care patients who are at risk of pressure ulcers with pressure relief. Shipping is free. Designed for use by those with temporary or chronic condition that requires prolonged seating and increased risk of pressure ulcers or for use by those who experience discomfort when seated due to arthritis, lower back pain or other conditions. Self-leveling, self-adjusting DFD design minimizes bottoming out, reduces pressure and provides an extremely stable and comfortable seating surface. Accomodates a wide range of body shapes, sizes and weights. Prefilled and sealed with dual covers for comfort and protection. Waterproof inner liner protects against incontinence damage. Breathable, fire retardant poly/cotton outer cover zips easily for cleaning and includes convenient carry handle. 300 lb maximum weight capacity. Two year limited warranty.