Awning tent room for travel trailer without awning

We have a large screen room called a Clam. They come in different sizes and only take seconds to set up a take down. Ours wii accomadate a picnic table with room to spare for camping chairs etc. Do a google search for Clam to see what they have to offer. Ours even has storm flaps so if it rains and gets windy you can stay in it until the storm passes.