Brand new and tremendous The long, bendy design creates all sorts of shapes. Shower barrier and retention formulation retains water inside the threshold. Ideal for curbless showers and diversified areas where water should be contained. This product comes with self-adhesive, clear to install,it is close to the ground and would not leak water. Specifications: Material:Silicone Color: white / black / clean / gray Height:3cm ;width:1 Length:50/100/150//200cm How to use: 1. Wiping off the water and dirt at the ground. 2. Determining the location of the water maintaining strip and mark it with a pen on the ground. 3. Remove the adhesive and set up the water barrier in the marked position. 4. Seal the rubber strip on the operate where the two ends of the water keeping strip are in touch with the wall. 5. Apply glue on each side of the water stopper and follow evenly. Package Included:1 x Water Stopper