Masks are a great way to avoid contaminating your mushroom grows by providing a physical barrier to block breath and saliva from reaching your work. They can also protect the wearer from dirt, dust, and powder which can be irritating to the nose, throat, and lungs. Premium quality disposable face masks provide a better user experience because they you do not need to worry about re-using dirty masks. These 3-ply masks offer 3 layers of protection against contamination. Ultra elastic ear-loops put less pressure on your face and ears. Embedded nose clip allows you to adjust mask fit to your nose and face shape while maintaining full coverage to protect your mushroom work. Three dimensional breathing space of these masks makes it easy to breath freely and work comfortably.