Descriptions: The long flexible design creates all sorts of shapes. Shower barrier and retention system keeps water inside the threshold. Ideal for curbless showers and other areas where water needs to be contained. Material:Silicone This product comes with self-adhesive easy to installit is close to the ground and does not leak water. Package Included: 1 x shower barrier Water Stopper(Length depends on your choice.) How to use: 1. Wiping off the water and dust on the ground. 2. Determining the position of the water retaining strip and mark it with a pen on the ground. 3. Remove the adhesive and install the water barrier in the marked position. 4. Seal the rubber strip at the position where the two ends of the water retaining strip are in contact with the wall. 5. Apply glue on both sides of the water stopper and apply evenly.