MATERIAL: 100% Cotton and Polyester. Unique design makes it very comfortable and ventilate,Soft, sweat-absorbing, suitable for baby to grow up. Cute cat ears and patterns, fashion, unique. Suitable for infants, toddlers, and children between 3 months and 2 years of age. Adjustable Velcro,It can be adjusted according to the baby's head circumference to make it comfortable to wear. Very durable and convenient. Baseball caps for infants are sun protection,and its pre-curved visor protect your baby's eyes and skin. Protect your baby from UV rays. Suitable for daily life, outdoor travel, walking, camping, photography, leisure and so on. Great gifts for babies Please use neutral detergent, suggest hand wash.