Cheekaaboo Snugbabes all in one swimsuit + in-built nappy feature is made of 2mm soft double lined neoprene that comes with insulation and UPF 50+ UV protection. The sleeves are made of soft lycra fabric for comfort and flexible arm movement. It is equipped with durable YKK Zip fastening and puff label for child-friendly easy gripping. This perfect swimsuit is further enhanced with extra snug thigh bands to prevent leakage.