The small double hull tender sized of 300cm,330cm,360cm and 390cm. we call Classic boat. Classic boats are made of 2.5mm thick powder coated marine grade aluminum for boat hull and 1100 Dtex pvc fabric or 1.0mm hypalon fabric for inflatable tube. Inflatable sea boat with motor and center console rib boats for sale CL380 has double flat boat hull and double front lockers.