This product is reusable and is a great tool for floor/wall paving. [Excellent Tile Leveling Wedges]Save time while achieving professional results with these tile leveling wedges Levels, aligns, spaces and secures tiles in place to prevent sliding, a consistent finish and help correct tile bowing The spacer slides over the middle of and can be easily adjusted if it needs to be readjusted for some reason. Well Made - These tile leveling system wedges are made of thickened PP plastic, which is strong and , so the tile leveling wedges have excellent wear resistance and crack resistance, so it is not easy to break. Work Efficiently - Designed to level, align, space and secure tiles to prevent slipping and a consistent finish. Our tile leveling system wedges are suitable for most tile types. It is an excellent choice for floor and wall tile installations. Colour:Red Material:pp Package Contents: 20 x Leveling wedges Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.