This Fishing Hat Can be Folded in Half & Fit into Any Backpack Rucksack or Bag. Portable & Convenient to Carry It Everywhere You Go. Anti-uv & Upf 50+ Excellent Sun Protection Keep Yourself Protected From the Damaging Rays. Wide Brim Keeps Your Face & Neck From the Strong Sun.360 Degree Sweatband Inside the Hat & Breathable Lining Absorb Sweat Efficiently. Wide 360 Degree Mesh Vent Allows Great Air in & Keeps Your Head Cool & Comfortable All the Time. the Adjustable Drawstring Ensures Hat Stay Well on Your Head Without Worry Even in Windy or Rainy Days.1000 to 5000 Quantity by Sea.