The sports fanny pack is made of neoprene. Waterproof, shockproof and breathable characteristics, and the fabric is soft and delicate, stick skin is not annoying. It has a middle pocket for a large-screen phone and is flanked by Velcro pockets and water bottle pockets for small items like keys and water bottles. It also has a headphone jack so you can enjoy your favorite music while exercising. Night reflective strip design on the middle bag, which makes it safer to run at night by alerting nearby vehicles. 33 7/16" L x 3 15/16" W