[Durable Material]: The water bottle bag for 40 oz mug is made of high-quality materials. The surface is soft and smooth, elastic and can be quickly placed in the water cup. It has good shock absorption and waterproof properties. And the joints are carefully processed, not easy to break or damage.

[Adjustable Shoulder Strap]: The water bottle bag for 40 oz has an adjustable shoulder strap. You can adjust the length of the shoulder strap according to your needs. It can be carried or transported, which can greatly reduce pain in shoulders and shoulders. The pressure on the neck is reduced, making it safer and more comfortable to use.

[Perfect Compatibility]: Suitable for 40 oz mug. The Velcro design on the outside can lock the cup well and effectively prevent it from falling. The water bottle holder is also very easy to clean. Suitable before you buy.

[Pocket Design]: The water bottle bag for 40 oz has a multi-pocket design, equipped with two zippered pockets and a keychain, which can easily store small items such as mobile phones, cash, cards, keys, etc., making it more convenient to carry out.

[Wide Range of Applications]: Both the water bottle bag for 40 oz mug and the shoulder strap can be adjusted according to actual needs, they are suitable for most people and can be used for hiking, cycling, camping, travel, school, gym and other activities and occasional use.