Versatile: A smooth desk surface for your in-tent postcard and journal writing. A workbench surface for your field carb strip or speedo rebuild. An insulator for when laptop computer bottom gets too hot on sleeping bag or thigh. A cutting board surface for meats, breads, and veggie prep for dinner. A filet surface for fresh panfish (caught or bought). A card or game table surface. A windbreak for cook stove. A fan for getting a pile of wet wood blazing hot. A paddle for whenever you’re up the creek without one. A sophisticated and thoroughly researched example of Aerostich product design. It’s also an 8.5"×11"×.25" Lexan board, which is about the optimum size for this kind of thing.