The package includes 2/4 pcs and may not reflect the actual color of the item due to the difference between different screen settings. In such a special period, it could be some kind of awkward when we need to put off the mask outside, which we wonder where the mask can be placed. This GREAT silica gel case will become the dedicated spot to the mask, avoiding the uncomfortable situation where you need to remove your mask temporary and hang the mask in hand. Besides, whatever the situation we talk above is easy to you, we need to admit that this mask, though it may look clean and no dirt, is full of saliva, dust, pollen and may be polluted by the tiny creatures. To avoid the dirty mask polluting other personal things, it is quite essential to keep the maskaway from. And this gadget has also a quite good features that it could be boiled in water for several minutes,killing almost all the bad thing.