Don't let rain ruin your camping trip. Coghlan's Seam Seal is an easy-to-use water-based seam sealant that prevents leaks. This fast-curing waterproofing solution is ideal for use on tents, tarps, and packs to ensure you have a watertight seal. The all-purpose solution works on nylon, polyester, vinyl, canvas, and other outdoor fabrics. Simply apply a thin film to the inside of the seams, and the flexible and transparent barrier will cure in just two hours.