[Waterproof Sealant Mastic] New Type Waterproof Sealant Mastic is made of an environmentally-friendly engineering material that is waterproof and corrosion resistant. As a result, it has a high density and can effectively prevent animals from entering [High Plasticity] Waterproof Sealant Mastic is very malleable and you can twist it into any shape you want, such as round, square, long. You can according to the actual hole size, shape to plastic it, it is very simple and convenient to use [Fast air drying] It can be used right after unpacking.First, clean the dust, debris and other sundries that need to be sealed in the gaps. Wipe it clean with a towel and then fill it with glue and smooth it out. It will harden automatically in the wind [Waterproof] This mud seal not only fills holes and cracks, but it also provides a strong and waterproof seal, making it perfect for any surface that requires waterproofing [Multi-Purpose] An ideal solution for filling the holes/cracks of pipe. Prevents any kinds of water leakage, such as anti-rainwater back indoor. such as pipe wall groove filling, air conditioning pipe wall gap filling, water pipe butt filling Description: color: White Net weight: 25g Material: Rubber Scope of application: wall grooves, air conditioning holes, body line gaps, etc. Product Type: Sealant Product size: 75*45*18mm Package contains: 1* hole sealant Feature of product: 1. Environmental protection materials, care for your health 2. Clay glue density, comes with cooling glue products 3. Strong plasticity, can be kneaded and deformed at will 4. Convenient to block, tear open the package, you can use Ingredients: Rubber Effect: hole sealing shelfLife: 3 years Instructions Included: yes Material: Rubber