Designed for Stanley 40 oz Ensures a perfect fit and prevents stanley purse from shaking or falling during movement. Whether hiking, camping or daily travel, enjoy the convenience of drinking water anytime, anywhere. Adjustable Shoulder Strappurse for stanley cup design and adjustable shoulder strap make this storage bag comfortable to wear and suitable for people of different body shapes. Multifunctional Storagestanley purse cup holder is also equipped with multiple additional pockets for storing small items such as mobile phones, keys, snacks, etc. Whether you are on an outdoor adventure or a stroll in the city, you can easily carry the necessities. Lightweight and DurableWater bottle holder is made of high-quality wear-resistant materials, this storage bag is lightweight and sturdy, able to withstand various weather conditions, suitable for sports & outdoors. As a GiftThis bag can be given as a gift to parents or friends at Christmas. It is not only giving a high-quality backpack, but also conveying a care and love.