Most of them are rented by schools, and some of them are issued by schools. They have to pay some cleaning fees or rent, and usually get it back in a day or two. The styles of bachelor uniforms are different, and the colors on the collars are also different. According to the six categories of literature, science, engineering, agriculture, medicine and military, they are marked as pink, gray, yellow, green, white and red respectively. Extended information bachelor's clothing is a dress worn by bachelor's degree winners at the degree awarding ceremony, and it is one of the visible signs of their degree, which is developed from the national standard version of the hat robe.