SIZE INFORMATION: This baby baseball cap is available in 4 sizes. XXS size for 0-3 months newborns, Head Circumference:17.3"=(44cm); XS size for 3-6 months newborns, Head Circumference:18.1"=(46cm); S size for 6-12 months infants, Head Circumference:18.9"=(48cm); M size for 12-24 months babies, Head Circumference:19.7"=(50cm). The age recommendation is only for reference, you can choose size selection according to your baby's head girth..HIGH QUALITY MATERIAL: Our infant baseball cap is made of 100% high quality cotton which is selected for softness and comfort. The soft front brim of baby hat can shade baby's face from the strong sunlight and block up most of UVA and UVB Rays. Double layered design with breathable and skin-friendly lining guarantees the wearing comfort with gentle care for baby's tender skin and frail head. Suitable for all seasons..ADJUSTABLE TO GROW WITH BABY: At the back of the baby sun hat, there is specially designed with an elastic band, which can help the infant hat to fit the baby's head better and and match baby growing up. In addition, the elastic chin strap keeps it in place and protects the hat from being blown away on windy days. These designs allow the baby to enjoy playing everyday..STYLISH & ADORABLE DESIGN: These baby hats feature the sweetest details for stylish sun safety. The selected soft color and well-designed patterns are easy to pair with any baby outfits. And the lovely bear ears will make your baby look more adorable. Your little baby can wear this infant sun hat for long time and will always be in style. The ideal designs are both loved by parents and babies..SUITABLE OCCASIONS: These baby caps are Lightweight & Foldable. Parents love how easy it is to pack for on-the-go activities. Perfect for wearing at the beach, picnicking at the park, strolling down the pier, and other outdoor activities. These cozy newborn hats are also great gifts for baby boys and girls.