The Big House 4 Accessory Vestibule is designed to increase the functionality and storage space of your Big House 4 camping tent. Offers an impressive 52 sq. ft. of weather-protected storage space for backpacks, bikes or other gear. Attaches quickly and easily to the tent body of the Big House 4. Includes a lightweight, collapsible aluminum pole for guaranteed strength and ease of set-up. Compatible with the Big Agnes Big House 4 camping tent. Durable rip-stop polyester with 1500mm waterproof PU coating. 3 lbs. 1 oz.