This boost cushion helps with standing and sitting on almost any chair, saving you money on heavy, bulky lift chairs. It uses a hydropneumatics gas spring that automatically releases and begins to lift when you start to stand and provides 70% lift assistance to maintain leg strength. Weighs just 9.5 lbs. Padded foam cushion and removable, washable cover. 18"L x 16"W x 5"D. Choose Small (supports 80-230 lbs.) or Large (supports 195-350 lbs.).

• Portable — goes where you need
• Turn any chair into a lift chair