99.5% Cotton,0.5% Other fabrics Drawstring closure Machine Wash Sun Protective Material : Made of 99.5% Cotton,0.5% Other fabrics and UPF 50+ sun protective. This material is soft and light, which is suitable for kid's to wear in spring, summer and autumn. Wide brim of the Summer must-have bucket protects kid's from strong sunlight. Windproof Adjustable Chin Strap : Our kid's summer hat have an adjustable chin strap. When you fasten the sunhat firmly, it wont fall off even on a windy day. Easy to Carry : The summer hat is light weight and soft, easy to fold it into pocket for travel. Cute rainbow pattern on the hat, make your kid's more fashionable. Also suitable for kid's gifts, birthday or another significant event. Machine Wash : The cute kid's hat can be machine wash. And it is better that wash it with cold water (the water temperature should be below 40/ 104) and air dry. Don't bleach or iron. Size : S/M/L