100%pu seam sealing tape Thickness: 0.075mm, 0.1mm, 0.12mm fabrics to prevent water from leaking through the seams. 1. Why need taped seams on waterproof garment and waterproof products? That's because a waterproof garment and waterproof products made of the best waterproof fabric material will leak if the seam holes are not sealed effectively. These seam holes need to be sealed up. M. F. B. S. Offers a wide range of high quality and environmental seam tapes for waterproofing sewn seams. M. F. B. S. Seam tapes are strong, resilient, and easy to work with. 2. How to apply seam tape? Seam tape (m. F. B. S. Brand) Hot air seam sealing machine 100m/roll, roll in carton