Plastic cup holder is slotted on two sides to hold a cup with handles and is accessible to left or right-handed people. It can also hold a glass, can or bottle.
The rugged plastic clamp has a large easy-to-tighten lever knob. The clamp fits a 1in (2.5 cm) diameter tube and comes with a sleeve to reduce it to fit 7/8in (2.2 cm) tube frames. Package of 3.