About this itemWaterproof Insulating Sealant: 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.Transparent Protective Coating: The color of this product is transparent, and has non-yellowing substance. After use, it makes the surface more beautiful. Easily and Instantly seal and repair broken surfaces. It is leak proof and can be applied on wet surfaces with high bonding strength.Lasting Waterproof: It can guarantee long-term protection after use. It is waterproof, ensuring maximum performance and accepting paint. Quick and easy to apply, seal, protect, and leak proo.