[Universal] -6.1 inch*4.9 inch.Our water bottle bag design is suitable for almost all water bottles and comes with an adjustable strap. It stays perfectly on your bottle and won't slip. [Safe storage] - It can easily put earphones, keys, money, cards, pills, lipstick. Safely carry daily necessities while maintaining comfort and ease of movement. [Premium Quality] - Our carefully crafted accessories are made of high-quality materials, which are very sturdy and durable. There will be no change after use for a long time. [Great Gift] - Our water bottle pouch can keep your personal belongings away from the ground and free your hands during exercise, making it an excellent fitness accessory gift for friends, boyfriends, girlfriends, parents, family, teachers, colleagues, and classmates. [Excellent Service] - Our friendly customer service team is always available to assist you! As long as you contact us, we will make every effort to ensure your satisfaction.