The Cocoonababy® allows a smooth transition between the mother's womb and the outside world because the baby finds there a mobility similar to that which he experienced in the maternal uterus. A cover and a belly band in Happy Fox printed cotton jersey Combed cotton for extreme softness Composition 100% cotton. Oekotex class 1 certified Free of heavy metals, phthalates, formaldehyde, BPA and any other harmful substance