1. 【Installation Method】: First, clean and dry the surface. Measure and cut the wet room floor waterproof layer to the length you need. Tear off the red tape and stick it on a flat surface. Fill the edges of the waterproof layer and let it dry for 24 hours until the sealant hardens (Silicone sealant is not included in the package). 2. 【High - quality Silicone Material】: The wet room floor waterproof layer is made of food - grade organic silicon, which is corrosion - resistant, high - temperature resistant, and wear - resistant. It is thick and elastic. Just wipe it with a wet towel, and it will be as clean as new. 3. 【Prevent Moisture from Entering Your Home】: The shower stopper is very suitable for sandless showers and other places that need water storage: under the shower curtain, next to the shower tray, on the bathtub windowsill, billiard tables, washing machines, sinks, enclosed stools, and the bathtub edge. 4. 【Flexibility】: It is flexible enough to create various curved shapes. It can be applied to flat and smooth tiles, glass, or ceramics. It is very suitable for the outer edge of the shower tray. It serves as a home flood - prevention barrier to prevent water from accumulating during a shower and stop water from overflowing. 5. 【Size】: The silicone waterproof layer measures 16mm in width and 30mm in height. It has enough flexibility to be cut into the size you need.