PVC Round Tile Trim Plastic Ceramic Corner Trim for Edge Decoration 1)Tough and Not easy to be damaged 2)Easy to make the corner in good shape with pleasure 3)keep drying and Hard to crack,and make the quality guarantee. the round edge corner can be against cracked so that it can help to form straight line on the corner, and to protect and reinforce the most part of the tile. tile edging play an important role in a project.