These portable hydraulic cushions are placed onto a chair to transform it into an automatic lifting seat. Easy to adjust to each users weight they provide a stable gentle lift that supports up to 80% of the users weight. Built in carry handle and can be flattened for transport. Available in two weight ranges. The Upeasy has a washable blue cover and a standard foam cushion. The Uplift has a wipeclean waterproof black cover and a memory foam cushion for extra comfort. Width 17″. Depth 19″.