McNett seam grip is Great for anyone who loves the outdoors. This urethane adhesive works great for repairing technical outerwear, tents, latex gaskets and so A lot more. Great for filling holes, just back the hole with tape and apply McNett Seam Seal, let it dry and remove the tape. Repair seams, and tears on tents, rain gear or technical outerwear. Urethane adhesive is the duct tape of the boating world, don't leave home without it.