Sleep-N-Pack is a versatile sleeping bag that transforms into a backpack designed for kids to love and for the convenience of parents. Our patented sleeping bag/backpack hybrid is packable, lightweight and folds for easy on-the-go transportation. Surfer blue shell with a glow-in-the-dark Moon & Star flannel liner that is stylish, fun and super soft. The glow-in-the-dark feature is activated by natural or indoor light. Leave in the sun or under a light for an hour and watch the moons & stars glow all night. Neon green buckles and zippers add a bright pop of neon color.Your Sleep-n-Pack will arrive as a backpack. To use as a sleeping bag, simply unbuckle the back pack, release the toggle and unroll. To turn from sleeping bag to backpack, fold sleeping bag in half vertically, roll it right into the back pack pouch. Cinch, buckle and go! GLOW-IN-THE-DARK Instructions: Expose to direct sunlight or lamp for at least one hour and watch your cozy liner glow!