Power Systems Medicine Ball Rebounder and Mini Trampoline with Adjustable Angle and Handlebar, 28 Inch Diameter Rebound Surface, 40 x 40 x 43 Inches, Black (21060) 28 inch diameter rebound surface adjustable up to 60 degrees Built-in tray to hold medicine balls when not in use Solid handle with neoprene grips Can be used for balancing and stability exercises or as jogger when flat 40 x 40 x 43 inches (L x W x H)