The Black ISO folding clipboard is a one-of-a-kind patented folding clipboard made of lightweight aluminum. This clipboard is designed for anyone needing a solid writing surface and the ability to conceal their documents by folding the clipboard in half for easy storage and carrying. Designed to withstand daily use and abuse, this clipboard can hold up to 30 pieces of paper without creasing your documents and at the same time provide a level of security not found by other clipboards. This clipboard is ideal for construction workers, contractors, technicians, sales, marketing or any other field requiring a handy hard surface to write on and carry.