100% polyesterHand wash onlyMaterial: This baby sun hat is made of 100% polyester. The material fits the skin without any discomfort. This hat has UPF 50+ UV sun protection function, which is completely enough for daily play, and can also prevent the baby's skin from being damaged by UV rays. It is one of the must-have items in summer. Unique Design: Summer beach hat with shoulder straps and adjustable buckles on the back, even if your baby's head is shaking at will, you don't have to worry about the hat falling off, it can wrap your baby's head perfectly. Adjustable head and chin straps make it easy to create the best fit, and the hat can be tightened or loosened as needed for a great convenience. Features: Baby sun hat for boys, wide brim, easy to match with girls or boys clothes. The wide-brimmed sun hat is designed to block UVA and UVB rays in the hot sun, so your baby's face, head, and neck won't get sunburned in the sun. The sun hat is lightweight and easy to fold, making it perfect for travel. Occasion: Boy hats for newborns, toddlers, babies and kids playing at the beach or backyard. Made of breathable lining fabric and UPF 50+ material, it is lightweight and easy to fold. It can be worn during activities with your baby, such as fishing, safari, traveling, camping, beach playing, etc. Baby Gifts: Baby Summer Essentials Every baby needs a hat like this, and it can be used on many occasions, and you can't go wrong as a gift. A must-have baby accessory, this soft and cute baby hat will be your most precious love for your baby