Features: 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. Made of high-quality materials, friendly to the human body and the environment. It will not harm humans or surfaces. Help save time, money and energy because it can ensure long-term protection after use. Can be used for through cracks, window sills, toilet, wall, external wall. All you have to do is "brush" the desired surfaces with glue, and you are done! It immediately and effectively seals pipeline leaks on wall, ceilings, roofs, window sills, and so on. Specifications: Material: Waterproof Agent A: 30g B: 100g C: 300g Size: Detail Sizes in the Pictures Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Waterproof Agent 1x Brush