Cheekaaboo Wobbie Suit is made of 2mm soft double lined quality neoprene that comes with insulation and SPF 50+ UV protection. It keeps our baby warm in and out of water by creating a warm layer of insulation between the neoprene suit and baby's tender skin. 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.