This automatic lifter seat helps you rise from any chair with ease, helping lift up to 80% of your body weight. This easy to use device fits neatly into an arm chair or dining chair & features six weight settings that allow you to adjust it between 40 & 110kgs. The hydro-pneumatic lift actuator follows the body's natural motion, distributing weight for a comfortable fluid-like fit & helping you rise smoothly & safely. The automatic lifter features a high density foam cushion giving exceptional comfort & support. The cushion is covered in a durable & easy to clean double-knit polyester fabric. Ideal for chairs, car seats & wheelchairs the lift seat assist measures 49 x 43 x 9.5cm