The transparent mask box for your FFP2 or KN95 masks.
 They are available with either a lanyard or snap hook. Simply choose the option that's right for you.

 The advantages of the mask box
Your mask won't get dirty while you're not wearing it. 
You always have your mask box at hand
Your face mask will not get distorted
You protect your mask from moisture
You save money because your mask is now more durable