Smittybilt offers a great annex space that gives your existing Smittybilt Overlander tent (Tent sold separately) additional space for privacy, storage, cooking and even sleeping. Annex room has a full floor, side door and windows with mosquito netting. The annex room attaches to the tent with rugged, heavy duty zippers. Need to get into your vehicle but it's raining don't worry the annex room has an inner door flap that allows easy access to your vehicle without ever stepping outside. When getting wet or muddy from the days adventurers happens, you have a heavy duty, zippered removable floor that helps keep out bugs, mud and more. Smittybilt Overlander annex room is specifically designed and sized to fit perfectly with Smittybilts Overlander Gen1 and Gen2 tents. Important to note for proper fitment: Available in two sizes.GEN1: Standard Annex (2788) fits tent (2783)GEN1: XL Annex (2888) fits tent (2883)GEN2: Standard Annex (2588) fits tent (2586)GEN2: XL Annex (2688) fits tent (2683)Tent NOT included-Tent sold separately