Made from lush layers of 100% cotton. Snapless fitteds are to be used with a snappi and allows for a lovely customized fit especially on skinny newborns. With sewn on booster. Newborns need to be changed much more frequently and therefore fitteds are a great option for daytime use as well. Covers are needed for fully absorbant nappies. Please Note An extra booster is recommended with these.