the Joola 300 SC is the official table of the largest table tennis competitions in the US, including the US Open, US Nationals, North American Teams Championships, and North American tour! A JOOLA best-seller, this high quality centerfold table glides in and out of playing position with its automatic system. The undercarriage is made of powder-coated metal and contains a 50mm metal frame under its Olympic-quality 22 fast playing surface. ( coated with especially polished polyester.) In addition, this table comes with four heavy-duty durable wheels, two of which come with brake systems, as well as adjustable, solid rubber levelers underneath each corner leg. Made in Germany.