What is the average capacity of slide on camper? It has enough sleeping space for everyone who wants to come around. It is wisely designed to maximize area and accommodate everyone who wishes to get inside. You can gather everyone around for a more pleasurable and fun ride all day long. Does it have a multiple function? Certainly, the answer is YES!  They are very much flexible to different types of purposes. Slide on campers are so fast and easy to unhook and store if not needed. You can use this not only for protection but also when you go out sightseeing and dining.