Excellent pre loved condition Soft and breathable material made from 67% rayon from bamboo, 29% cotton and 4% spandex (Exclusive of Trims). Midnight Blue Preemie Footie - Two 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.