Material: NylonSize: 31*18cmWaist: 60-123cmWater bottle holder capacity: 1000ml water bottleApplicable occasion: running, fitness, yoga, training, and other occasions11. Water bottle holder capacity: Can hold up to 1000ml capacity water bottle (not included), our running belt can reduce shaking during running. 22. Multifunctional pocket: Our fanny pack can hold a 6-inch screen phone, the inner pocket is designed to avoid screen scratching buttons, a headphone socket for listening to music while running, and an anti-theft zipper closure. 33. Reflective design: Strong reflection under the headlights to ensure the safety of driving at night. 44. Personalized fit: This water waist pack fits waists 60-123cm, an easy-to-trim adjustable shoulder strap fits your waist perfectly, easy! 55. Easy to use with one hand: bottle holder design, will not shake when running.