Model : YW-300D Size : 5.5(H) X 85(W) X 190(L)cm Weight : 4Kg Cushion numbers : 6EA Accessories : Waterproof cover Warranty : 2years Main features : This is an innovative product invented by mixing air cushion and water bed. A pressure is adjusted to a specific part a body. YW-330C is long and wide enough to cover entire body and YW-330D is designed to support head and calf better.It soltly supprots a patient`s body and excellent air flow between cells prevents bedsore perfectly.