This SZSUYAD Water Bottle Shoulder Strap is perfect for outdoor activities such as hiking, cycling, running, camping, fishing, climbing, and traveling. It is made of high-quality materials, durable and wear-resistant, and can hold a water bottle of 28-52ounces. The shoulder strap is adjustable, and the length can be adjusted according to your needs. The strap is soft and comfortable, and will not cause any discomfort to your shoulders. The water bottle holder is designed to be portable and easy to store, and can be easily attached to your backpack or bag. It is a great accessory for outdoor sports and fitness enthusiasts.