These Pocket Square Handkerchief For Men Are Made Of 100% Polyester Silk Satin And Soft Texture And Durability, It Can Be Hand Washed Or Machine Washed On A Gentle Cycle And Lay Flat To Dry. Features: Would Not Easily Fall Out Or Sink Into Your Pocket，The Silk Twill Fabric Is Light, Smooth, And Soft With An Elegant Drape. The Perfect Accessory For Weddings, Parties, Church, School, Business Or Casual Wear!