【Premium Material】Made of high quality elastic neoprene material, soft, washable and durable. 【Adjustable Shoulder Strap】 The elastic material allows slight stretch, which means will fit your water bottle, with different sizes available. With a carrying strap, the strap length can be adjusted according to personal demand. 【 Easy To Carry】Protect your water bottle perfectly and make it convenient to carry the bottle when going out. 【Wide Application】Perfect for outdoor activities such as hiking, camping, fishing, picnic and travel. 【Customer Service】If you have any questions about the water bottle sleeve, please feel free to contact us, we would be happy to help you solve the problem .