In some cases, you might need a foldable portable solar panel. Some portable panels come with the option to fold them up, while others just include a handle for transportation.
Although a portable solar panel doesn't have to fold, this feature can be convenient for various reasons. When you're carrying the panel, folding it up makes it a lot easier to carry, especially compared to wide panels that just have handles. Many of the panels that have higher wattages are capable of folding.