... .Inflatable slides, castles, bouncers ,large inflatable toys, inflatable games.2.Water ball, water roller, zorb ball ,swimming pool, boat , bumper boat , ... We double stitching everywhere, with fourfold stitching at bottom stress point. Double stitching inside and double stitching outside to ... cover, which is help to disperse the zipper's stress.SAFETY BLOWER PIPEFor the pipe connet with blower, we ...