Features: Efficient Leak Prevention: Our revolutionary formula based on water and rubber can penetrate joints cracks and leaks to seal any cracked surfaces. It also forms a waterproof and protective coating in the surrounding area ensuring long-term protection. Safe and Top Quality: Our product is made of top-quality non-toxic materials that are friendly to both humans and the environment. It has been tested and approved for long-lasting durability ensuring it will not harm humans or surfaces. Cost Saving: Our product helps save time money and energy by providing long-term protection after just one use. It can be used to seal through cracks window sills toilets walls and external walls. Easy to Apply: Applying our product is simple. Just brush the desired surface with the glue and you're done. It effectively sealspipeline leakson walls ceilings roofs window sills and more. High Temperature Resistance: Our waterproof anti-leakage agent is designed to withstand high temperatures in the summer without sagging or dripping. It also remains crack- and flake-free in the cold winter. Specification: Net content: 100g/300g Shelf life: 3 years Brush Size: 9.8*1.5cm Size: 300g:9*7cm 100g: 7.2*6.2cm Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. includes: 1*Insulation Sealant 1*Brush