Soft- Silicone Material: Absorbs bumps and protects your devices and accessories from damages.Automatic Locking Cooperate: With One-way Back Gear, the occurrence of loose during strenuous exercise.Convenient Tool- Installation: Makes it easy mount to any Bicycle Handlebar, need to locate and lock nut.Package: 1X tie plate+3X rubber ringMultiple Usage: When riding, you can carry with your water bottle, mobile phone, inflatable , etc.Made Of High Quality: Silicone and PC material, durable and wear for a longer time use.Anti-Slip And Shockproof: Since the back of the board has a plurality of silicone bumps with different shapes, the friction and adsorption between the board and the frame increase, and the water bottle is fixed by the binding ring, so the kettle is fixed on the frame and is to slide!Installation reminder: you can adjust the fixing ring first, then install the items!