NWOT Streak GoLite Fanny Pack Easily holds a wallet, big phone, and even a light windshirt. There is also a place to attach your keys so they won’t fall out if the pack is open. Designed to hold a water bottle. water bottle pictured is NOT included. The back is the soft back that is on most packs, so it wicks moisture away. Sinylon looks to be waterproof, but zipper is not. SMOKE FREE HOME