4-1/10" H x 17-1/5" W x 18-9/10" D, Navy Blue, 70% Lifting Support, 220 lb Weight An economical portable lifting seat for those who need help to stand. Using a hydro-pneumatic gas spring, it is fully self-powered and does not require electricity. Activates automatically as the user stands, lifting up to 70% of their weight, up to 220 lbs. Patented LeveLift Technology ensures a safe, gentle lift without pushing you forward. Truly portable, it weighs just 9 lbs., has a built-in carry handle and works on most armchairs or sofas. Washable 100% polyester cover and polyurethane foam cushion for easy care.