Celestial Sun, Moon, Stars and Planets Single Strap Crossbody Hippie Backpack Perfect for school, walking, running, climbing, hiking, vacations, bike rides, gym, festivals, or most outdoor activities. Our design features a unique security feature by locating the zipper for the main compartment on the inside of the backpack. When the bag is worn over the shoulder or cross body the zipper is up against the body increasing the difficulty of theft when in a crowd Our Celestial backpack has 2 front compartments one with zipper closure and one with button toggle. The front pocket is great for cell phones, keys, wallets or other small accessories. Single strap designed can be worn crossbody or single shoulder Dimensions: 9W X 16H X 8D \ Expandable