About the Clam Shell Roof Top Tent: Camp confidently in the Clam Shell RTT! This tent is spacious with one of the highest ceilings in the industry while being slim, aerodynamic, and functional. It fits on nearly any car that has a roof rack, truck bed rack, or camper shell with cross bars. The Clam Shell RTT has a set of outer hydraulic arms which makes it super easy to set up and close down. This tent makes setting up camp a breeze and sleeping well in the outdoors a dream come true. The top and bottom shells are made of cast mold aluminum with a hard gator-shell coating that provides protection and security. The tent's fabric is made of 600D ripstop nylon. The inside contains an insulated roof with an optional removable insulated liner for colder weather conditions. It also includes an anti-condensation ceiling and floor liner. With an aerodynamic shape to provide minimal drag, camp confidently knowing you're getting the least amount of effect on your MPG! The top and bottom shells have a universal T-track to provide easy mounting of accessories to the side of the tent, such as our Antidote Sun Shade awning! Dimensions Standard Size Open: 7ft L x 4ft6in W x 5ft H Closed: 7ft L x 4ft6in W x 8in H Mattress: 79" x 48" x 3" Made for 2 to 3 people Net weight: 150lbs The Clam Shell cross bars for the top of the tent are available for an additional charge. (Adds about 2.5 inches in height). What's Included: - Clam Shell Roof Top Tent - Integrated Dimmable LED Strip - Telescopic lightweight ladder - Thick and Comfy 3-inch Mattress Pad - Removable inner LED light - Universal mounting hardware with rubber spacer/cushions - Exterior storage bags - Key for the latches Ask us about our Clam Shell accessories! Optional accessories (additional charge): - Removable insulated thermal liner - Crossbars (for the top shell) - Awning Annex with Direct Mount for Clam Shell RTT - Solid Shovel direct mount