Features Heat Resistance Performance: Maintains stability even under high-temperature conditions Outdoor-Grade Waterproofing: Effectively blocks moisture and water penetration for exterior use Permanent Fix for Roof and Wall Cracks: Provides long-lasting sealing to repair and prevent crack issues Specifications Name: 9900 Sealant Waterproof Weight: 500g Available Colors: Black, White, Transparent Shelf Life: 24 months when stored in a cool, dry environment with temperatures below 27°C Package Contents 1/2/3 PCS of Silicone Waterproof Sealant Notes Manual measurement may lead to a 0-1cm error; please ensure you accept this slight deviation before purchasing. Due to variations in monitor displays, the product’s actual color may differ slightly from the images shown. Thank you for your understanding! 【9900 Sealant Waterproof】 Maintains flexibility and stays crack-free from -50°C to 200°C, ensuring long-lasting performance in heat, cold, and harsh conditions. 【Smooth & Professional Application】 The precision nozzle ensures an easy, bubble-free application with a smooth finish, ideal for both DIY and professional use. 【Strong, Flexible Adhesion】 Bonds powerfully to various surfaces like metal, glass, and tile, remaining elastic to withstand movement without cracking. 【Waterproof & UV Resistant】 Provides reliable protection against water, high temperatures, and UV rays, making it perfect for both indoor and outdoor sealing projects. 【3 Colors for a Perfect Match】 Choose from White, Black, or Clear to seamlessly blend with different materials and maintain a clean, aesthetic appearance.