NeopreneCONVENIENT - Crafted for comfort, our running fanny packs conveniently hold your smartphone, credit cards, ID card, cash, keys, and earphones all in one place. It even has a small earphone hole to make sure you can enjoy the music while the exercising timeTRAVEL WITH SECURITY - It doubles as a money belt with spacious pockets to provide more safe carrying space to keep all your valuables close to you while on the move The reflective logo increases visibility, which makes the running belt perfect for staying seen during nighttime workouts.DURABLE & LIGHTWEIGHT - Composed of flexible yet durable neoprene, the running belt for men and women is created to flex, twist, and bend but not warp out of shape. Only 3.3 ounces allows you barely felt when runningADJUSTABLE FIT - As a runner or hiker, you want a running phone holder that's so slim that it wont be intrusive, but large enough to fit your phone. This is the answer to that dilemma. Fits all smartphones between 4" and 7" and fits waists 22" to 50".WATER RESISTANT - The hiking waist pack women and men will love No worries about the sudden rain, rainproof function will be convenient for you to use.