It attaches at any angle to a wheelchair, lawn chair, metal-frame bed, lamp post, or any tubular frame from 1/2 to 1 1/4in (1.3 – 3.2 cm) diameter. The deeper well has a pop-out bottom that accepts most sizes of glasses or cups. Clean with detergent and warm water.
Measures 7 3/4 x 6 1/4 x 1 3/4in (20 x 16 x 4 cm) with 3 1/8in (8 cm) well diameters. Shipping wgt. 10 oz. (.283 kg).