Photive Running and Fitness Expandable Weather Resistant Waist Pack Belt lycraspandex Premium Water Resistant Running belt- Sleek and lightweight with a super-expandable pouch, which will stretch to fit a phone, keys, cash, and any other small items that you need when youre on the go. Flexible material eliminates uncomfortable chafing and bouncing, so you can bike, run, and dance with ease. Convenient cord management port, you can listen to your music without unzipping the main pouch. Reflective stripes across the main compartment add an extra layer of safety during nighttime activities Weighs only a few ounces, this running belt provides tons of functionality and convenience.