Camco Vehicle Roof Top Tent with Annex, Sleeps Up To Three, Includes High Density Matress, Easily Mounts to Most Factory or Aftermarket Roof Racks/Bars (51373) Safe and secure camping with multiple mounting configurations - left or right side of vehicle, rear of vehicle or mounted to a trailer Easily mounts to most factory or aftermarket roof racks or load bars Includes universal mounting brackets and wrenches; sets up in minutes High density foam mattress sleeps up to three Built in air vents reduce condensation; Doors and windows are screened to keep insects and debris out