Velli Ultra-thin Fanny Packs with a water resistant zipper surrounded by reflective trim, makes you safer running in low light conditions. Super thin and lightweight, it gives you the most comfortable wearing experience. With adjustable waist strap and buckle closure for a perfect fit your body. Zipper main compartment large enough to compatible with phones up to 6.5". The design of the earbud cable hole realizes the goal of listening to music while exercising. Ideal for running, traveling, working and shopping.