It is made of environment-friendly fabric, easy to prevent dust, comfortable and breathable, cold material, with good elasticity, moderate size and no strangling, suitable for most people. It can be washed repeatedly without deformation and used for many times. 3D 3D makes you feel free to wear it and gives you a beautiful mask hanging. Summer ice cream thin cool, dust and sunblock 3 pieces into a single package, washable masks for boys and girls, 1 piece of exquisite jewelry