Keep this repair gel next to your duct tape. It permanently seals, bonds, and repairs tents, tarps, backpacks, rainwear, inflatable mattresses, footwear, gloves, tops for convertibles and more. One-ounce tube, good for sealing seams on an average 2-person backpacking tent. Permanently patches holes, repairs tears, can even be used to repair small sections of peeled seam tape. New easy-to-use brush cap applicator. Waterproof, flexible urethane formula. Unaffected by cold or heat.