The basic standard height of facial mask is generally about 80 cm, but the height of facial mask varies in different regions. Generally speaking, the height of the mask suitable for human comfort is about 80 cm, and the actual situation should be subject to local standards.

The main meaning of noodle case refers to the board responsible for making noodles in the catering industry, also known as the white case, which is generally rectangular. It is a necessity for ordinary noodles in daily life. Besides, the length, width and height of noodles are different.