This is 3 ply surgical face Mask, soft, environmentally friendly and comfortable. A thoughtful gift for your friends, and a nice choice for yourself. Perfect for daily wear to protect you from dust, ash and so on. A good choice for outdoor sports such as cycling, camping, hiking. Double straps for tying and hang on the ears, which make it can fit various people. Anti-dust and infection resistance, very much effective at crowded places.