Our water bottle bag is made of durable neoprene material that keeps water at the perfect temperature. It's for school,work,walking and many other outdoor sports. With a adjustable strap, it will fits types, there's no bottle holder bag to get you through the day! Features - Color: Black. - Material: Neoprene. - Size: 8.00 x 8.00 x 20.00 cm/ 3.14 x 3.14 x 7.86 inch. - Take this bag to be your good companion whether you are just taking a walk or making adventurers such as dry camping, traveling, hiking, biking, etc. - It is heat retaining, waterproof and non-skid, which provides more overall protection for your bottles when at outdoors. - Made with neoprene to have a great durability and last using. - Coming with the comfortable and adjustable water bottle strap, both and sling style are up to your choice! - Lightweight enough perfectly for adults or children. Portable strap bottle holder to carry with wherever you go. Package list: 1 bottle bag