Maddak Inc Wheelchair Cup Holder 7″ x 6″ x 3″, The Rugged Plastic Clamp has a Large Easy-to-tighten Lever KnobAn attachment to wheelchairs, hospital bed rails, and walkers. It holds a can or cup up to 2-3/4″ (7cm) in diameter. Three squeeze clamps are included to fit various diameters of tubing.








