Come and see our amazing products. The mask is made of 3 layers of high-quality non-woven fabric; it has a stronger filtering effect and is more warm and breathable.Comfortable elastic earloop, extra-soft ear loops eliminate pressure to the ears. Inner layer is made of soft facial tissue, no dye, gentle to the skin.Experts advice wearing it for up to 4 hours. Should be Disposed off after use for your safety, and avoid secondary pollution. When the face mask is damaged, deformed, wet, or other abnormal conditions, the mask should be replaced immediately.Each mask use Pls confirm with us about the packing info, stock color and exact production time before placing your order.