To take care of the head of the little ones from the sun's rays, each time stronger. With strap to be able to tie a knot and not fall off, to fully protect the delicate little head of the little ones in the house. It is an essential accessory from the first rays of spring and throughout the summer. Remember that prolonged exposure to ultraviolet radiation causes sunburn and short- and long-term skin damage. This sun protection hat only protects the covered area; Other parts of the body that are exposed to natural UV radiation should be protected separately either with sunscreen or other clothing. Size chart: T1: Size S for children between 6 and 18 months approx. Head circumference 46-49. T2: Size M for children between 18 and 36 months approx. Head circumference 50-51. CHARACTERISTICS: Composition: 100% polyester. Reversible. UPF+30 protection.