The mark consists of a three-dimensional structure, Including shower curtain design with right angles, The shower curtain consists of three parts, namely the top part of the rectangle, as well as two middle and lower parts in a right angled trapezoidal shape. The trapezoidal edge of the middle part is adjacent to the trapezoidal edge of the lower part; The top part contains twelve buttonholes; The middle part is separated by a diagonal line with a certain width at one-third loction of the edge from the middle left to the right, which can distinguish different colors; The bottom of the lower part has a double-layered circular storage space near its corners and near the centerline.