Invisible Clear Waterproof Seal: Dries transparent without ugly marks, perfect for roof wall pipe leak repair without damaging decor..Built-In Easy-Apply Brush: Integrated brush design enables even smooth coating without extra tools, beginner-friendly operation..Waterproof & Insulating Dual Use: Blocks water seepage effectively and provides basic insulation for bathroom kitchen pipeline gaps..High-Adhesion Anti-Aging Seal: Firmly sticks to surfaces, resists moisture cracking peeling for long-term stable leak-proof effect..100G Large Capacity Value: Generous single-piece volume meets whole-house minor leak mending, cost-effective household supply.