The CanDo® Adjustable Ball Rebounder is a versatile exerciser with angle adjustment for multiple exercises. It can be used for rebounding medicine balls you throw against the screen (balls are sold separately) and catch it with the same speed, force and angle of your throw. It is also ideal for low-impact cardiovascular rebounding exercise. Enjoy your workout with this unique rebounder at home, fitness studio, rehabilitation centre or anywhere you want. Both circular or rectangular shape available. The angle of inclination adjusts from 0-42 degrees. The 39″ diagonal surface measures 27.” x 27.5″.