This rainfly fits the 8 person instant tents. 14 foot X 10 Foot. Made with reinforced waterproof seams. Seams are coated on inside to not allow water to pass through the seams. This is not a Coleman brand item. This item is made to fit Coleman 8 Person Instant Tents. The tents are not sold with rain fly so this is sold as an accessory item. We are confident that you will be satisfied with the rain fly and its custom fit if you are not satisfied simply return within 30 days for a full refund. Try it we know you will like it!!!