Inflatable Castle Obstacle Course, Interactive Game. Using the best sewing machines ordered to handle nylon thread we double stitch the entire unit with the best 18 ounce heavy duty Vinyl. We even use extra webbing reinforcements on all the stress points and interior panels. 1)Size: 18.6mLx3.3mWx6mH /61ftLx11ftWx20ftH. 2)Material: Best Quality 0.55mm 1000D PVC Tarpaulin. 3)Standard: EN71/ASTM/ISO inspected by SGS. 4)Blower: 2 PCS 1.5HP, CE/UL/GS/RoHS Certified.