Mattress designed to provide optimal pressure management with long term comfort and support Visco-elastic memory foam top layer is combined with specially chosen compatible foam base Top fabric is fluid-proof polyurethane coated 4-way stretch material. This material is designed to work with visco-foam, where a stretchable, flexible cover can help reduce interface pressure. Material also has microbial properties for the benefit of infection control. Weight capacity: 350 lbs. Warranty: 5 years Shipping weight: 24 lbs. Designed to meet the requirements of HCPCS code: E0184 Latex Free.