Brand new and nice The long, flexible design creates all kinds of shapes. Shower barrier and retention formula keeps water contained in the threshold. Ideal for curbless showers and different places the place water must be contained. This product comes with self-adhesive, smooth to install,it is near to the floor and would not leak water. Specifications: Material:Silicone Color: white / black / clear / grey Height:12mm;width:20mm Length:30cm/50cm/100cm How to use: 1. Wiping off the water and mud on the ground. 2. Determining the placement of the water conserving strip and mark it with a pen on the ground. 3. Remove the adhesive and set up the water barrier within the marked position. 4. Seal the rubber strip at the position the place 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 prepare evenly. Package Included:1 x Water Stopper