Made of high quality lycra fabric. Splash proof, waterproof, lightweight and soft-touch. Large Capacity,store your phone, keys, ID, cards, gym pass, passport and etc. Reflective bar design.providing good night visibility. With earphone hole - enjoy listening to music while doing exercise. Flexible and adjustable. The high elastic waistband can be adjusted according to waistline. The price excludes warter bottle. 31 1/2" L x 5" W