Warm Tip: the product is only the water bottle cover, not include the water bottle. SUPER SOFT NEOPRENE MATERIAL: Our water bottle Carrier is make of Soft neoprene material, which is lightweight and comfortable, it is Great for Stainless Steel and plastic bottles, sport and energy drinks, it will fully protect your bottle surface from being scratched, scraping, extrusion and so on. GREAT FOR KIDS & ADULTS: Both adults and Kids can find great use in this water bottle carrier. Use it for walking, running, gym, cycling and more. with the adjustable shoulder strap, it will fits all body types. MACHINE WASHABLE: the water bottle holder is easy to clean and machine washable. the color will never fade, you won"t find a better water bottle carriers. SIZES: length: 9.45 inches, Diameter: 3.35 inches, the neoprene stretches to fit most bottles.