Brand new and fine The long, flexible design creates all types of shapes. Shower barrier and retention method keeps water contained within the threshold. Ideal for curbless showers and varied destinations the place water should be contained. This product comes with self-adhesive, clean to install,it is close to the ground and would not leak water. Specifications: Material:Silicone Color: white / black / clear / grey Height:12mm;width:20mm Length:30cm/50cm/100cm/120cm/150cm/200cm How to use: 1. Wiping off the water and dust at the ground. 2. Determining the placement of the water preserving strip and mark it with a pen at the ground. 3. Remove the adhesive and establish the water barrier in the marked position. 4. Seal the rubber strip on the function where the 2 ends of the water preserving strip are in contact with the wall. 5. Apply glue on each side of the water stopper and observe evenly. Package Included:1 x Water Stopper