The only thing cozier: the womb. Down Alternative fill wrapped in silky soft bamboo rayon keeps your little nugget secure while our one-of-a-kind WONDERZiP® keeps them covered, even during diaper changes. So get ready to sleep a lot. Like, a lot a lot. • So magically fluffy you'll want one for yourself.• Stuffed with hypoallergenic microfiber fill that mimics the feel and insulating ability of luxury down- 1 tog and 2.6 tog only.• Little One stays covered & cuddled during easy peasy diaper changes• Research shows that sleeping under an evenly distributed weight, from shoulder to toe, soothes baby into a deeper sleep cycle.• Being gently cocooned in a comforting weight increases serotonin & relaxation, and naturally reduces anxiety by giving the same all-over sensation as a full-on giant cuddle• Wider longer fit to comfortably fold and kick those legsNote: Placement of moon may vary in the Moon & Stars sleep bag