Various body lengths are included ranging from 10.3m to 11.5m, and also two fictional left-hand drive variants for use in the European market. This pack contains various variants based off the Alexander Dennis Enviro 400 MMC with both Alexander Dennis and Scania chassis options. It includes a highly detailed rendition of the real bus. Options include various lengths, engine, gearbox, seating and more. It is available on a variety of chassis to suit different requirements. The Studio Polygon 400 MMC is a low-floor double-deck bus produced since 2014.