ambulance stretcher ISO13485 certificate aluminium alloy frame foam mattress,with pillow,back & the whole can be up &down ambulance strecther specification:1.KF-5 style aluminium alloy ambulance stretcher.2.high density sponge mattress with pillow,the cover is leather,3.back part can be adjsut the height .4.with aluminium alloy side rails.5.the height of the stretcher can be adjusted .