1. Outdoor Travel Water Bottle Bag: This water bottle bag is specifically designed for outdoor travel and adventure. It provides a convenient and secure way to carry your water bottle , ensuring that hydration is always within reach. 2. Shoulder Strap Water Bottle Holder: The bag features a shoulder strap that allows you to easily carry your water bottle over your shoulder, leaving your hands free for other activities. The strap is adjustable to provide a comfortable fit for different body sizes. 3. External Attachment Pocket: With an external attachment pocket, this bag offers additional storage space for small essentials such as keys, phones, and snacks. It keeps your belongings organized and easily accessible while you're on the move. 4. Convenient: Made from high-quality materials, this water bottle bag is built to withstand the demands of outdoor use. It is tear-, and water-, ensuring that your water bottle and belongings stay protected. Backpack with a small bucket outside. With a small bucket outside, can put water bottle, mobile phone, very convenient Color: Grey Material: UHMWPE Composite Material Package Contents: 1 * Water bottle bag (only bag) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.