Happ Levy Backpack Ash Blue backpack style diaper bag. NEW- never used lightweight Levy Backpack: a modern, versatile diaper backpack designed for effortless hands-free carrying with tons of compartments (9 to be exact!) for your daily necessities. A wide zippered flap gives you sweeping views so you’ll never be digging again and wide comfy straps give you the support you need and will never strain your shoulders.