Waterproof - Provides a water-tight seal to keep dryness in and moisture out of tent floors and rain gear Flexible - Cures to a flexible sealant for high performance gear that needs to move and stretch Non-toxic - Water-based formula is safe on nylon, canvas, vinyl, polyester, and other outdoor fabrics Long-Lasting - Urethane adhesive is unaffected by extreme outdoors temperatures Dries Clear - For a nearly invisible finish that keeps gear performing and looking good all season