Two Piece Set - Mint TwistTwo double layered flaps are fastened together with ultra soft hook and loop fasteners. Once the two flaps are open, the baby's chest and belly are fully exposed for skin to skin connection. The elastic waistband allows for easy dressing and (as easy as they can get) diaper changes. Soft and breathable material made from 67% rayon from bamboo, 29% cotton and 4% spandex (Exclusive of Trims). Wear Snug Fitting Not Flame Resistant Machine wash cold; dry