Features: Good quality silicones is selected, which is resistant to high temperatures, low temperatures, and wear, ensuring long-terms durability in various outdoor environment. Unique buckles, easy to secure the water bottles, avoiding loss or rolling. Compatibility with multiple models and size of water bottles to meet the needs of different users. Suitable for activity such as long-distances hiking or rock climbing that require carrying multiple equipment. Offering a variety of color option that is both aesthetically pleasing and meet personality needs. Specifications: Dimension:2.5×9cm/3.54×0.98in Component:Silicones, aluminum alloys Package Includes: 4pcs Silicones Water Bottles Holder note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.