We build your flat board with standard fibreglass laminated panels, with Velcro carpet inside. Your board deck sits .75" (1.9 cm) inside the lid maker channel. We can adjust this height to suit your needs (some volume and expression pedals). Four non-slip rubber feet on the bottom. Your lid is built with strong lightweight aluminum extrusions, and laminated 1/4" baltic birch, or our lightweight polypropylene panelling, four non slip rubber feet on the back, suit case carrying handle on the front, Maple Rock Pedalboards plate on top, and is lined with egg crate foam to protect your gear. Two recessed butterfly latches on the front and two take-apart hinges on the back.