Features: Our collapsible water dam or shower water retainer keeps water within the threshold preventing you from running off. Ideal as a water guard, water stopper, water barrier or retainer to prevent flooding. Silicone material, freely bent: made of high quality silicone? our shower dam is soft, corrosion resistant, high temperature resistant and wear resistant. With a sharp knife, it can be cut to the required length and bent as needed, on a line, U-shaped, S-shaped, etc. It is so flexible that it could return to its original shape once you step on it. Size: 50mmx 30mm height * width. Self-adhesive design, easy to install: A glued adhesive base is stuck to the base of the dam. Remove the tape and push the water dam into place. Caulk all around the edges to make the dam stronger. Color:White - Size:50cm The perfect rubber dam, flood barrier or shower quick dam can even be installed as a corner water blocker. Silicone water retaining strip (back side with double-sided tape) Installation precautions: Step 1: Wipe off the water and dust on the floor. Step 2: Determine the location of the water retention strip. Step 3: Remove the double-sided tape and stick the water retaining strip to the floor. Step 4: Press the strip firmly after installation. It can be used within 24 hours. Notice: Please clean the surface completely and make sure it is dry, remove any existing silicone caulk before installation. Please heat the eraser by hair dryer for better adhesion before use. It can be applied to any flat and smooth surface like tiles, marble, glass, painted wood, etc. It is suggested to install the strip above 25 degrees Celsius. It won't stick very well if it's too cold. [Special reminder] The water retaining strip can be used with glass glue. Apply glue to both sides of the waterproof barrier and apply it evenly. If both sides and both ends are fixed with glass glue, it can extend its service life.