This zippered bottle pouch is made of high quality neoprene material, with stretch elastic band. Simply tighten the strap and it’s Can carry earphones, keys, money, cards, pills, lipstick and other daily necessities. Lightweight and easy to carry out for walking, biking, hiking, picnic, camping, boating and trip. Made from cloth material, measuring 3.93*7.08 inches, this custom neoprene 40 oz. water bottle arm bag. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Eco-friendly material, reusable, foldable for storage.