|THULE ROOF MOUNTED CARGO CARRIER, ATLANTIS 1800. 18 cubic ft of storage. Smooth, effortless opening and closing with the reinforced lid and redesigned lid lifters. Oversized ergonomic lock knob is easier to grasp and turn - even while wearing gloves. Finsih black. Aerodynamic design minimizes wind for greater fuel efficiency and quieter travel. Dual-Side opening for easier loading and unloading from either side of the vehicle. Quick-Grip™ mounting system for fast, easy, tool-free installation and removal. SecureLock™ ensures that all gear is locked and box is properly closed prior to driving. Carries 18 cubic feet or up to 110lbs of cargo per box. 2 One-Key™ Locks (included) secure box contents and lock the box to the carrier. Fits Thule rack systems, round bars and most factory racks. Fits 6-8 pairs of skis (max length 198 cm) or 4-6 snowboards. 84”L x 34.4”W x 16.9”H. Roof box weighs 47 lbs. Reduces over-head clearance. Fits 2003-2010 Hummer H2 & H2 SUT.