Summer Hat Foldable Woman Ultraviolet Protection Sun Hats Beach Hats Imported 1, Waterproof and ultraviolet protection material . 2, Foldable , handy Velcro straps design . 3, Large visor design , 360 sunburn protection . 4, Package with carton box to protect the hats . 5, Hat size : 56-58 cm ( top hat circumference ) , 15 cm ( visor ) , 10 cm ( hat hight ) .