Constructed from engineered polymers and aluminum. Easy adjustment for multiple configurations. No assembly required. Comes with a lifetime guarantee. Suction Mounts are great when used on: Airplanes, SUV's, automobiles, ATV's, motorcycles, tractors, trucks, cars, golf carts, snowmobile, jetskis, and campers. Holds devices such as: GPS, cameras, fishfinders, and CB's.