Made of top quality materials; Anti rust - all steel tubes are galvanizedRobust - thicker wall of tubes, thicker wire of springs compared with other brandsJumping mat is discreetly and firmly sewed, UV-Resistant, tested by German TUV Office and certified with TUV GSLowest priced on the market, no mid-man; We pass the big savings to our customersBest for small kids, up to 88 pounds in weight