Add-a-room attachments are available to fit the ShadeMaker bag awnings only. Like the screen attachment, the add-a-room attaches by means of a hook and loop attachment system combined with snaps. The screen panels are covered with integrated zip up windows for privacy and weather protection. To order, please be sure to provide the length of the front bar of your awning. Fits ShadeMaker bag awnings only. Designed for a 99 inch awning rail to ground height, standard. Some camper models are taller and can be accommodated for an additional charge.