Leak Proof:It provideds a tough but flexible layer of protection to the applied surface.It is leak proof and can be applied on wet surfaces with high bonding strength. Fit for:Water seepage through cracks,Water seepage of window sill,Water seepage in toilet,Wall water seepage,Roof seepage,Water seepage of external wall Long-Lasting:With a quick-drying ingredients for easy plaster, repair, and seal. Powerful solution with a long-lasting result. A waterproof layer can be formed after 24-48 hours, and the waterproof layer will become stronger over time. Roof Leak Repair:Waterproof agent, easily solve the problem of water leakage.Clean the foundation surface before construction to that the foundation surface is dry and dry. The Effect is Remarkable:Effectively fills in the cracks and tiny holes of walls to stop leakage of liquid substances.scrub the product directly on the surface of ceramic tiles, floor and brick tiles. Wait a few minutes for the product to penetrate. When there is no liquid on the surface,twice or three times to enhance the effect. Capacity: 30ml Colour:Gray Material:liquid Package Contents: 4 x Water repellent Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.