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Iosso Seam Sealer(4 oz. bottle)-Water proofing seam sealer formula, will waterproof seams on most materials. 4 ounce dabber bottle is fast and easy to use.
Will not change the look and feel of your fabric. Compatible with natural and synthetic fibers and blends. Effectiveness with vinyls and laminated fabrics will vary with permeability of material, please test first. Testing is not required on cotton, cotton blends, polyester, and synthetic woven fabrics, only laminates and vinyls.
Ideal for boat covers, awnings, tents, backpacks, and almost anything else that would require a water tight seam. For best result use with cotton, cotton blends, polyester, and synthetic woven fabrics.