1.MATERIAL:100% High quality soft,breathable and lightweight cotton materia, skin friendly to baby,girls.【48cm=18.9"(fits 6-12 Months), 50cm=19.7"(fits 12-24 Months), 52cm=20.5"(fits 2-4 Years), 54cm=21.3"(fits 4-8 Years)】 2.ADORABLE DESIGN - Features the sweetest details for stylish sun safety. The wide brim offers extra coverage while still fashionable! 3.LIGHT WEIGHT AND BREATHABLE - For maximum comfort & protection.suit for fishing, safari, travelling, camping, boating etc 4.STAY-ON SAFE:Adjustable chin-strap ensures hat stays put with easy toggle adjustment and breakaway safety clip which can be clipped back in. 5.MULTIPLE COLORS - Available in multiple colors & patterned designs to match any of your baby's summer outfits.