The sizes after the four calligraphy tenders are as follows:
1. The sizes of the four calligraphy tenders are generally determined according to the requirements in the bidding documents, most of which are 18 inches by 20 inches. It will also be 24 inches by 30 inches, or even larger.
2. This is because the calligraphy bidding works must fully demonstrate the exquisiteness of the calligraphy works, so the size is required to be larger so that the audience can see the details of the calligraphy works more clearly.