Ska Direct&reg; New Outdoor Sports Runners Pack Running Belt Waist Bag Fanny Pack with Pouch for Cell Phones, Wallets,supplements, Gels Provide more than ample storage space for cell phones under 5 inches such as Iphone 4s/5s, wallet,or supplements,energy bars, gels. A lightweight belt that will provide ample storage and does not bounce! EXPANDABLE gear belt with 2 reflective stripes on the front pocket for triathalons, marathons, running races or just out being active. Material: Polyester belt + power stretch mesh gusseted pocket (expandable)