Features: Air Lifting Bags are available in capacities ranging from 15 tons to 220 tons Air bag operates on standard shop air uptp 116 psi Air Bags will fit into the tightest areas with collapsed height of 1.1 – 1.2 inches All bags are manufactured from high density double texture poly amide fabric coated with synthetic rubber Serrated lifting surface on each side of the air bag helps prevent load slippage Wide variety of safety controllers for single and multiple bag systems Light weight makes the Air Bags easy to set up and transport