Full-day sun protection: The outer layer is constructed from 100% cotton, can wick moisture. It is breathable and soft, without causing any irritation to a baby's skin UPF 50+ sun protection：Our hats provide the maximum level of sun protection, capable of blocking 99% of harmful UV rays Baby Caring Design：A wide brim safeguards baby's head, neck and face from UVA/UVB Rays. High quality ensures it retains its shape even after washing Adjustable Size：The headsize can be adjusted, making it ideal for a growing baby. There are three sizes available for 0 - 6 Months, 6 - 24 Months and 2 - 5 Years. Additionally, the chin strap secures the hat on the head Occasions：Solid colors and cute floral patterns are offered, facilitating easy matching with baby clothes. Ideal for beach trips, pool outings and any outdoor activities