Portable Seat Lift fits into a chair. Has hydro-pnematic gas spring that reacts to your weight with ease of sitting down and releases to give a gentle lift to stand up, no electricity required. Adjusts to weight from 95 to 220 lbs. Marine blue 100% polyester seat. Weights 9 lbs very portable. Like new condition. Still in original box. Original purchase price was $200+tax. Not covered by Medic...