1, material will not scratch your cup body and firmly support the cup body and prevent the cup from falling. 2,Allow you can get hold of your bike water bottle quickly and easily when you need it. 3,Adopt adjustable screw buckle design, very strong and has a long service life. 4,Large enough for you to put different sizes of bottles, such as water bottle, coffee mug, baby bottle. 5,The cup holder fits on all bicycles, electric bikes and baby buggies, which is very convenient to use. Item Type: Bike Water Bottle Holder Material: PPLower Caliber Size: Approx.7cm / 2.76in Upper Caliber Size: Approx.7.5cm / 2.95in High Size: Approx.8cm / 3.15in Uses: Hold bicycle bottle Style: Round Process: Soft surface Type: Round bottle holder 1 x Water Bottle Holder Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store