The waterproof sealant spray has a strong bonding effect. It is anti-leakage and you can use it to seal and repair damaged surfaces easily and immediately. Powerful Effect: The waterproof sealant spray has a strong bonding effect, and it can be easily and quickly bonded to most of the surfaces that need repairing. Protective Layer: Waterproof sealant spray provides a strong but flexible protective layer for the applied surfaces. It has anti-leakage properties, can be used on wet surfaces with high bonding strength, which is transparent, and has no yellowing. Pollution-Free: Made of acrylic, polyurethane, butyl rubber, and polymer copolymer, the anti-leaking repair spray is non-polluting, odorless and safe. Wide Application: The invisible waterproof agent can be used for water seepage through cracks, water seepage of window sills, water seepage in toilet, wall water seepage, roof seepage and water seepage of external wall. Specifications: Material: acrylic, polyurethane and butyl rubber, polymer copolymer, additives, etc. Size: 30ML: 7.6 x 3 x 3CM/2.99 x 1.18 x 1.18in 100ML: 12.8 x 3.7CM/5.03 x 1.45in Brush: 13.4 x 1.4CM/5.28 x 0.55in Package List: 1* Waterproof glue 1* Brush