Designed to provide comfortable, functional and stable sitting environment. Ideal for patients at risk or with history of skin breakdown. Adjustable and easy to use. Features 3" interconnected air cells for air circulation and washable, moisture-resistant cover. Lightweight (approx. 1 lb); easy to handle and transport. Turn to make 18(W) x16"(D) or 16(W) x18"(D). Includes inflation pump, cover and instructions. 6-month limited warranty.