The features for improvement of the floor mat are as follows:

1. The surface layer is smoother, and the glue injection point is placed on the side. The central position changes from a small pit to a flat surface

2. The lock buckle has been widened and thickened, making it more sturdy

3. Fixed holes have been added on the same side of the lock buckle, which can be fixed with expansion screws

4. The brightness of the surface layer is matte