This water bottle holder bag is made from durable polyester cloth and soft cotton silk to protect your bottle from scratches. The insulated interior helps maintain the ideal temperature of your beverages, making it suitable for thermos bottles of various brands. In addition to holding your water bottle, it can also store items like cell phones, keys, glasses, headphones, wallets, and other essentials. Perfect for outdoor activities such as walking, hiking, camping, beach trips, work, and more. The logo is customizable, and the water bottle holder with shoulder strap makes a great gift for outdoor enthusiasts.