Stool (seat) a type of seat without back support or armrests
Stool shapes are round, square, rectangular, etc.
The standard height of the stool is 35-45 cm, the stool type is different, the height is also different. Stool height must be appropriate, in the absence of measuring tools, you can sit on the stool, two feet flat on the ground, thighs and calves can be basically vertical, or thigh and calf angle of about 100 degrees. This situation indicates that the stool height is appropriate, and people are comfortable sitting.