Excellent Quality: Made of high-quality materials, friendly to the human body and the environment, non-toxic. It has been tested and approved and has a long duration. It will not harm humans or surfaces. Easy To Apply: Brush the product directly on the surface of ceramic tile, floor tile, wall tile cement, etc. Wait for the product to penetrate into the base course. After a few minutes, when there is no liquid on the surface, brush twice or three times to enhance the effect. The waterproof layer can be formed after curing for 24- 48 hours, and the waterproof layer will be stronger with the time delay. Efficient waterproof: Efficient leak prevention. This is a revolutionary formula based on water and rubber that can penetrate joints, cracks, and leaks and seal any cracked surfaces. At the same time, it forms a waterproof and protective coating in the adjacent area. After drying,