1PREMIUM MATERIAL: Water bottle cover is made of premium neoprene material, very strong and durable, will not change after long time use. 2UNIVERSAL TO USE: The water bottle cover is designed to hold almost any water bottle, it stays perfectly on the bottle and won't slip off. 3PERFECT COMBINATION: The perfect combination of water bottle sleeve and water bottle pouch with adjustable shoulder strap makes your water bottle easy to hold headphones, keys, money, cards, lipstick. 4IDEAL GIFT: The neoprene water bottle sleeve makes a great fitness accessory present for friends, boyfriends, girlfriends, parents, family, teachers, coworkers and classmates. 5SMALL AND LIGHTWEIGHT: This bottle sleeve is small and lightweight, easy to carry and use, suitable for fitness, free your hands when exercising, but also suitable for traveling, convenient and practical.