Super Soft Neoprene Material: Our water bottle holder is made of soft neoprene material, light and comfortable, perfect for stainless steel and plastic bottles, sports and energy drinks, it will fully protect your bottle surface from scratches, scratches rub, squeeze, etc. GREAT FOR KIDS AND ADULTS: Both adults and children will find great use in this AUPET water bottle holder. For walking, running, fitness, cycling, etc. With an adjustable shoulder strap, it fits all body types and you can carry it over the shoulder, cross the chest as a shoulder bag or just carry it by hand. Machine Washable: The AUPET water bottle holder is easy to clean and machine wash. The colors never fade, you won't find a better bottle cage Available in two sizes: Our water bottle holder is available in two sizes, 750ML: Length: 8.26", Diameter: 3.14"; 1000ML: Length: 9.45", Diameter: 3.35", Neoprene stretches to fit large most bottles