The heaven and earth cover box is divided into an upper cover and a lower cover. The upper cover is the earth and the earth is commonly known as the earth and earth cover. There are two kinds of materials for the heaven and earth cover. The box is sturdy and beautiful in appearance The second type is the folding and forming of cardboard. This means that some gram-weight paper is used for printing. It is a thicker paper. This paper can be directly folded after printing and after the matte machine, and it is convenient to transport.
