... Features:strong adhesion , Eco-friendly,high elastic,excellent weatherability Seam sealing tape application : sports shoes, leisure shoes , hiking shoes ... KOUUCI ... hot air seam sealing tapes are activated by heat, and used for waterproofsewn seam ... , PE, rubber tape, 3-layer tape,or PU coated, nylon-PVC, nylon-PU, and nylon-rubberized materials.