Uplift Seat Assist is a portable, self-powered lifting seat that helps users gently seat and raise themselvesfrom a chair or sofa. It provides safe, controlled support and lifts up to 70% of a user's body weight. The self-powered hydro-pneumatic lifting mechanism activates slowly as the user begins to stand, requiring no batteries or electricity. Weight setting slots provide easy adjustment for users weighingfrom 80 lbs to 350 lbs, depending on the model. The base is secured by non-slip material that preventsthe seat from shifting while in use. A slow release, memory foam cushion helps protect against pressure sores. Features: Relieves Stress & Strain on Joints Keeps You Active & Independent Transports Easily as it Folds Waterproof Incontinent Cover Washable Cover Hydro-pneumatic Lifting Mechanish