Introductions: When you are cycling outdoors for a long time,you must feel thirsty.Therefore,this bottle holder can help you place water bottle without taking your bag to pack your water.It is easy to carry on and handy to drink.The size of holder can adjust to your bottle size,so it is useful for you when cycling. Features: High quality of materials. Line style design is not easy to scratch your bottle. Side edge open design makes it easy to place your bottle. 1 pc of water bottle holder only,other accessories demo in the picture is not included! Specification: Material: Full Carbon Fiber Color: bright,matte Suitable for Water Bottle Diameter: 7.2-7.4cm/2.83-2.91" Weight: 24g,26g Quantity: 1 Pc Note:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1xWater Bottle Holder(without retail package)