The Baby deedee sleep nest is a quilted wearable duvet blanket for babies and toddlers 0 36 months. Designed in a comforting cocoon like shape to help baby feel c ounce y and secure, the sleep nest"s 3 sizes will keep your baby comfy at night from the newborn stage until she is ready to move out of the crib. Unique shoulder snaps on the small and the medium size make it easy to place baby into the sleep nest, even while sleeping, in just 2 easy snaps. The sleep nest now also exists in a large size with sewn shoulders to keep older babies covered through the night. Baby deedee is currently available in 2 styles: Original and with Glow In The Dark zipper.