1.With drawstring design:which can better protect your bottle from being scratched, scraping, extrusion and so on. Designed as a bottle carrier bag, also can be used as a small EDC pouch,tactical pouch, military pouch, army pouch, gadget pouch, utility belt pouch, gadget pouch, etc. 2.Adjustable strap: the strap is easily adjustable, suitable for most body types, adults or children. And the adjustable strap is convenient for you to adjust to different length based on your waist or various situation. Wear over the shoulder, cross chest as a sling bag or just hand carrying are both available based on your own preference. 3.Long-lasting material: this bike water bottle carrier is made of premium nylon fabric, lightweight, waterproof, exquisite workmanship, solid construction, wear and tear-resistant, Long-lasting, which has a long severice life. 4.Application: this universal water bottle holder can hold slim bottles within 8cm in diameter, perfect for beer, soft drink, travel coffee cup, 'bottles, stainless steel bottles, sports bottles, etc.