Single material belt / Belt

Our belt is designed based on the principle of single material and simplified structure.
The width of the two side is different, the wider part has two rectangle shaped gate
functioned as belt buckle. The narrow side pass through the buckle two times in different
direction, which can makes the belt fixed in the specified size.
Advantages
Except the advantages of simple, easy to use, another more important merit is that it's material saving. It can be mass produced in the way described by the following picture without any material wasted.