... .6mm, of the best tensile strength and extensibilityPacking:By double layer tarpaulin bagsBlower: CE/UL blower with power 1500w 1 ... material has improved by the SGS. 3. Stitching:We double stitching everywhere, with fourfold stitching at bottom stress point. ... Doublestitching inside and double stitching outside, and to make sure the inflatables are ...