Compatible - Bonds to silicone treated fabrics to prevent water from seeping through seams Waterproof - Provides a water-tight seal that won’t peel or crack over time, keeping you warm and dry Long-lasting - Rubber sealant seals seams and patches pinhole leaks for repairs that last for years Flexible - Cures to an elastic, rubber seal that flexes and stretches with high performance gear Weather-resistant - Tough formula is not affected by extreme heat or cold