These stands are made of high-density polyethylene, therefore no worries about scratching your Marker! The whole purpose of the stand is to protect your investment. Durability is another benefit, Guru Stands will not crack or shatter so you can be assured your stand will be around a long time. They are fully collapsible to fit in any gear bag. The Guru Gun Stand was also designed to fit most paintball markers with compressed air tanks attached. (45 ci, 68 ci and 70ci) They also accommodate tank covers.