... sealing machine is applied to Nylon-PVC, nylon-PU, rain coats, snow-suits, tents,waterproof coverings' sealing...Hot air seam sealing machine ==Features ... durable. ==Application==Nylon-PVC, nylon-PU, high-class rain coats, wind coats, snow-suits, tents, military waterproof coverings, waterproof bags, motorcycle covering and boat ...