【Stylish Color Design】Pack of 60 pieces black KF94 masks | 【3D Design】 The 3D shape is designed according to the human face shape to keep the tightness. | 【4 Layer Filter Protection】 4-Layer protection with outer Non-woven Fabric, 2 layers middle electrostatic cotton layer and inner defense cloth. | 【Breathable & Comfortable】 The folding KF94 mask is designed with 3D fish type, lining is skin-friendly. | 【Work for all Adult】Unisex and all one size. The best choice for office, home, school, party, malls, park, playground, salon, cycling, and simply general public. please note that this masks are not a medical device nor a respirator.