Polypropylene Based Tile Spacer is used to ensure consistent width of the grout joints and holds the tile securely in a place for quick and accurate installation. The Tile Spacer avoids propagation of cracks developed to the adjacent tile. The Tile Spacer is made of small pieces of polypropylene. Polypropylene Based Tile Spacer can specifically create the perfect alignment in the floors, giving an impeccable straight line finish that adds value on to the aesthetics of the room.