This jumpsuit is made of jersey stitch organic cotton, Frame Melange colour. This model has a round neck, a frill at the collar, an opening on the back with nylon buttons, elastic cuffs and an invisible crotch opening with nickel-free metal clips (crotch opening up to size 12M). All the raw materials used in this item have Standard 100 certification by OEKO-TEX, so it is free of substances that are harmful for children's skin.