This lightweight and compact bottle holder can be attached to the shoulder harness of a backpack. It accommodates bottles with a diameter of 5.5 to 7.5 cm. It includes a cord to prevent the bottle from falling out due to shaking or impact. *Bottle not included. ◎Specifications 【Material】 420-denier nylon ripstop 【Weight】 43g 【Color】 Black, Navy Used about 10 times.