Imported miller welding machine which has stable welding temperature, so the boats will not be over welded. Or less welded and more durable. Reinforced strips both inside and outside the welding seams make the products has better airtightness and. Commercial grade and durable 0.9mm PVC tarpaulin fabric+2.0mm PVC tarpaulin fabric for bottoms. This item is in the category "Sporting Goods\Water Sports\Wakeboarding & Waterskiing\Tubing & Towables".The seller is "clickmarket_2" and is located in this country: CN. This item can be shipped worldwide.