Wash and clean your hands before touching the mask.Make sure that the mask is not damaged and has no holes or tears.The top side of the mask is where the metal piece or a stiff wedge can be found. After wearing the mask, make sure its coloured side faces outwards.The top part of the mask should be on the top of the nose. If not, the mask is not being worn properly. Do not wear it under the nose. The mouth, nose, and chin have to be covered by the mask. After wearing the mask, make sure that there are no gaps left in the sides. Avoid touching the mask as much as possible after wearing it.