Rola 59003 Airfoil SK Black Roof Top Cargo Box It is 16 cubic feet storage space holds up to 8 pairs of skis or up to 5 snowboards Neutral airfoil design eliminates turbulence creating a quiet and stable ride Vortex generators allow the air to flow smoothly under the cargo box It has contoured bottom which allows rear vehicle hatches to open freely Manufactured from ABS material with UV inhibitors to prevent fading