High-Quality MaterialThe Invisible Hair Nets are Made of Polyester, Rhinestone, and Rubber Materials, With Good Elasticity, Lightweight, Breathable, Strong and Durable. . Light-Weight and SoftThe Size of The Invisible Elastic Edge Mesh is 9cmx9cm, Can Be Stretched According to Your Needs. Not Only Light In Weight, But Also Soft and Comfortable to Wear on Your Hair. . Perfectly InvisibleSuitable for People With Coffee and Dark Hair, The Hair Nets are Very Fine and Weigh Less Than 1g, So you Can Easily Store Your Hair, Perfectly Invisible. Easy to Use, Lightweight and Breathable, Comfortable to Wear All Day. . Multi-functionalYou can Easily Organize Your Hair With the Hair Net and Can be Used for Ballet, Service, Work and Many Other Scenarios. Perfect for Bank Staff, Hotel Staff, Flight Attendants, Nurses, Dancers or Skaters, Service Staff Who Need to Put Their Hair in a Bun.