Adjustable Size: The waist pack bag fits waist sizes from 28″ to 48″ with flexible and adjustable belt. Material: The running waist belt is made of soft fabric, soft and breathable, comfortable fit, zipper silky smooth without snagging. Secure Design: This fanny pack can effectively prevent items from bouncing when you run, jog, walk. And the reflective stripe increases visibility and makes night running safer. Convenient: When you exercise, you can put your most needed items in the running belt waist pack bag, and the portable earphone hole design let you listen to music while exercising. Large Capacity: The running belt main pouch size: 7.87 x 3.93 (W x H). You can carry your smartphone, keys, headphones, credit cards, ID cards, and cash in the pocket. There are small pockets on both sides for small items and a water bottle holder on one side. Fits for phones up to 7 inches. Multifunctional: This running belt waist pack is very suitable for gym fitness, running, outdoor hiking, climbing sports, but also for travel, vacation, shopping and other occasions. Package Include: The package contains 3 sports running belt. (yellow, orange, black)