Zoocchini swimsuit and hat set with UPF50 +. Eco-friendly swimwear diaper and reusable with adjustable drawstring for a perfect fit. It is designed to hold solid "exports" which is very important for swimming pools. 6-12M: 6.8-10 kg | 50 cm head diameter 12-24M: 10-14 kg 53 cm diameter of the head. Its composition is 100% microfiber polyester.