There are certain instances where you need to remove your mask and put it down somewhere. Of course, there is a danger for your mask to get contaminated because there are germs practically everywhere. In order to relieve this problem, you will need a silicone face mask case. This silicone mask case can help keep your mask clean and safe. Rest assured that this product is made with non-toxic silica gel which is safe for your face mask and for the environment.