This is a simple field that can be worn using a mask or glasses.
If you use it with just the glasses, you can check the movement of your mouth.
There are three different cutouts for masks, so it can also be used for children's masks.
*Mask not included. Size: 270mm x 210mm
Thickness: Approx. 0.13 mm
Weight: Approx. 11g
Quantity: 1 set (100 sheets/set x 1 set)
