1. MATERIAL This sturdy running waist pack is made of fabric and lined with abrasion resistant PU material, which protects your belongings from raindrops, sweat and humidity. which can support the entire fanny pack , large capacity and protect that from deformation. 2.ADJUSTABLE BELT This waist bag has a fast and flexible adjustable belt. The belt adjustment range is , suitable for , women and teens of waist sizes and shapes. sturdy and reliable buckle that can be easily and quickly adjusted to length you need, and stay at the length of your choice without loosening, even when you exercise vigorously. 3. Design This special waist pouch is equipped with a headphone jack on the front so that you can enjoy music or answer a call without taking the phone out while running. You can also use it as a charging jack, which is convenient. it adopts a sturdy and durable zipper, easy to slide and work smoothly. 4.fanny pack This water resistant waist pack perfectly embellishes your daily life for shopping, traveling, festivals, jogging, biking, hiking and other activities. for carrying mobile phones, passports, keys, ID cards and other small items. You can wear it on your waist, back, buttocks, cross-body on your chest or shoulders. It is also a great gift for friends and family.