ECOFRIENDS garment, contains sustainable cotton. Long sleeved romper for newborn. Snap button fastening at crotch for easy dressing. Large sizes (from 6-9 to 18 months) will not have such an opening. Zip fastening. For this item, the larger sizes (from 6-9 months to 18 months) will not have feet. This is to allow better mobility and more comfort.