i play. Bucket Sun Protection Hat | All-day sun protection for baby's head, neck, & eyes | Adjustable size, UPF 50+ protection, Quick-dry, Comfortable wicking liner 100% Polyester Imported Machine Wash 0.39" high 12.99" wide all-day sun protection for head, neck, & eyes reversible! 2 hats in 1 with pull-through, stay-put straps quick-dry material for active play elasticized back adjusts for custom fit & grows with baby lightweight & packable for easy on-the-go