Perfectly for Stanley BottleThe water bottle holder adopts precise stitching technology, making it perfect for Stanley 40oz water bottoms and perfectly fitting to protect your water bottle. High viscosity nylon buckle design secures the bottle to prevent it from falling Premium MaterialThe water bottle pouch with strap is made of high-quality rubber material, which is thick, durable, waterproof, dustproof, and has a soft and delicate touch. Protect your water cup from scratches and dust, and effectively maintain the temperature of the liquid inside the cup, suitable for use throughout the year Adjustable Shoulder StrapWater bottle bag is equipped with an adjustable shoulder strap, and it can be tilted across, single shoulder, or carried by hand, and can be adjusted in length easily. It is suitable for various body types of people and is perfect for travel or walking. The shoulder strap adopts a buckle design that can be disassembled easily when not needed Pocket DesignThe water bottle bag carrier has 2 zippered pockets, the large pocket is perfect for storing mobile phones, and the small pocket is suitable for storing small items such as credit cards, change, keys, and headphones. You don't need an extra backpack to carry your belongings, making travel effortless Widely UsedOur water bottle bag with shoulder strap is suitable for various mugs, plastic cups, glasses, sports cups, and more, protecting your water bottle and making it easy to carry.