The Coghlan's 2 oz. Water Based Seam Seal is ideal for waterproofing sewn seams by sealing stitch holes. The easy-to-use applicator top allows for an even application that will penetrate and coat to form a waterproof seal. This seam seal works best on nylon and other synthetic outdoor fabrics such as tents, tarps, rainwear and packs. It is colorless, flexible and washable.Waterproofs sewn seams on nylon and synthetic outdoor fabricsConvenient, easy-to-use applicatorColorless, flexible and washableIdeal for tents, tarps, rainwear and packsNet volume: 2 fl. oz. Coghlan's Seam Seal: Waterproof fabric seam sealer Environmentally friendly, water-based formula Strong, odorless and flexible Unique brush applicator Lap-felled and folded seams