Thermoskin Patella Tracking Stabilizer X-Large 15.75 -17 Foam Mattresses Ergonomic safety handle-Makes standing and 5 1 2 inches

Thermoskin Patella Tracking Stabilizer X Large 15.75 17 Foam Mattresses Ergonomic safety handle Makes standing and 5 1 2 inches Ergonomic safety handle Makes standing and sitting easy and safe * Swivel tray Multi Use laptop TV tray with cup holder and utensil compartment * Adaptable Adjusts in length and height to fit either side of your favorite couch or chair * Height of tray:26 to 32 * Height adjustment handle: 34 to 40 * Size of tray: 16 x 18 * Provides assistance standing & sitting * Swivel tray pivots 360 degrees * Swivel tray pivots away when not in use * Weight limit of handle: 250 Lbs * 5 high with arms & lock * lightweight and easy to clean * weight capacity: 300 Lbs X Large * Has a fully adjustable internal buttress which ensures correct positioning and control of patella movement * Allows vertical tracking of the patella during vertical flexion extension * Assists in the treatment of patella problems including instability pain and subluxation (looseness)