MATERIAL: made of soft polyester cotton fabric,can be used repeatedly,durable and environmentally friendly. ONE SIZE FITS ALL:high elastic string covered in the back of hat,adjust the size as different head size, recommended for use within 21.5~25.5 inch head circumference. BREATHABLE:mesh design makes great breathability,take it easy even for a long time to work at high temperature. KEEPING HAIR COVERED:well working its job,keeping hair out of the way and helping you in good working state. APPLICATIONS : suitable for chef,servers(waiter/waitress) ,industrial workers,cleaner,baker,Can use at home kitchen,coffee/juice shop,food market,restaurant,school,warehouse,any work place etc. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please dont hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it