Massimo Motor UTV MSU 400 Soft-Sided Enclosure 'Under Roof Model' Royal Blue New Massimo Soft-Sided Enclosure For MSU 400-UNDER ROOF MODEL Easy mounting - Custom Massimo fit! Under-Roof Model! Top-Quality USA Made! Includes FULL rear window. Simple intructions found on YOU-TUBE Super-clear PVC windows with heavy-duty polyester doors and top.