Material: The running belt is made of the high quality waterproof nylon material which is anti-slip and sweat-proof on the front, and breathable honeycomb fabric on the back, which is comfortable to fit the body without bouncing. .Structure: A pocket in the middle carries large phones up to 6.5 inches. The right small pocket is double zippers, which can hold water bottle or fold the mesh bag into the pocket to use, the left pocket with the key ring, these 3 pockets all can be used for keys, cards and other necessities. .Feature: Equipped with a special earphone hole to enjoy music during exercise. The waist running bag also has 3M reflective tape for safe running at night strong zipper design, more than ten thousand times to pull test, solid and operate smoothly. .Safety & Convenience: The running belt for your valuables, place it around your waist. The best waist pack for a variety of activities such as sports, running, walking, jogging, cycling, mountaineering, traveling, and outdoor activities. .Super-elastic waistband: The super-elastic waistband allows you to adjust the tightness according to your body. The adjusted waist size ranges from 75cm to 115cm, which is suitable for all body types, making it easy to adjust the length of the belt bag according to your demand. .