Product parameters: Material: Polyester cotton Color: Black Size: 24*17*11cm Package includes: 1 sun hat Product : Exquisite workmanship: qualified sewing thread, using skilled sewing technology. The lines are even and beautiful, strong and durable. material: breathable honeycomb cotton, breathable honeycomb cotton inside the hat, comfortable and breathable to wear (black). Adjustable: Back adjustment strap The back is designed with an adjustment strap, which can adjust the hat circumference according to individual needs. Beautiful style: not only sun protection, but also decorative, fashionable and generous. The first choice for outdoor use: In the hot summer, you should protect yourself from the sun when going out, especially head sun protection, 360 comprehensive sun protection + breathable foldable, suitable for outdoor sports, seaside vacations, daily leisure, hiking and mountaineering. .