Gravity 7 Long Term Care Mattress 36 x 80 x 6 Foot Placement Training PORTABLE CHARGING CASE: No batteries Aluminum band assists in PORTABLE CHARGING CASE: No batteries required❗The portable charging case can be charged itself so that it can charge the hearing aids when you are not close to a wall outlet * Can function as a free standing commode a toilet safety frame (with bucket removed) or as a raised toilet seat with arms (Mfgr#15770) * Multi layered high density foam provides optimal pressure redistribution * The ultra soft heel section is uniquely designed to provide extremely low skin interface pressure * The mattress cover is a 2 way stretch water resistant vapor permeable nylon * The cover provides a low moisture transmission rate (MVT) which keeps the patient cool and dry * Meets fire code 1633 * 7 Year Limited Warranty * Top layer of foam is high resilient and die cut which provides comfort and proper pressure redistribution