Sava manufactures pneumatic high-pressure flat-form heavy lifting air bags reinforced with Kevlar® cord for heavy-duty, low profile heavy lifting, emergency rescue, HAZMAT management or industrial use. Sava Flat-Form design lifting bags eliminate the need for complicated height/ weight computation graphs and uncertain lifting height calculations. Simply stated, a 44 ton bag will lift 44 tons to the specified height, period (see table below). Flat-Form bags safely link together when stacked, eliminating slipping or violent ejection. Maximum of three bags can be safely stacked. Flat-Form bags retain their flat profile; eliminating rolling and shifting. Heavy-duty design and Kevlar reinforcing insure longlife. Stores flat, 1.1 inches thick, deflated