Inflatable wholesale: inflatable bouncy castle Product NO: C-04 Size: 5mLX6mW Pack: 0.7m×0.7m×1.4m Weight: 149kg Complied: SGS Material: 1000D PVC Tarpaulin Total weight: 18OZ/Y2 Thickness: 0.55mm Tensile strength: Warp-2870.43N/50mm Weft-2279.06N/50mm Tear strength: Warp-527N Weft-323.8N Applicable temperature: -30°C-70°C Adhesion of coating strength: Warp-115N Weft-121.8N Best sewing machines Using the best sewing machines ordered to handle nylon thread we double stitch the entire unit with the best 18 ounce heavy duty Vinyl. DOUBLE STITCHING EVERYWHERE We double stitching everywhere, with fourfold stitching at bottom stress point. Double stitching inside and double stitching outside to make sure the inflatables are strong enough.