100% NylonImportedDrawstring closure?Welcome to the iHHAPY store, Excellent quality, fast delivery, simple after-sales We make every effort to provide customers with satisfactory service.?Adjustable or removable chin strap provides versatility?Ideal for camping, boating, fishing, hiking or gardening ??large bill and back flap provides great protection from the sun.?The whole surrounded by a large shawl, free removal, in addition to a removable neck flap and breathable face protector, it protects skin from the elements and the mask can protect face from dust.?We have promoted its quality and size,make it more smooth and better quality. If you have any problem when you receive it,please contact with us through Amazon,we will try ours best to help you solve it.