The mimish Sleep-N-Pack: Packable Sleeping Bag 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. Dinosaur print shell with a super cozy key-lime green fleece liner that is soft and plush to the touch to keep your kids warm and comfortable. Key-lime green buckles and zippers match the cozy plush fleece liner. Suitable for ages 3-6.our 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!