How can you carry your drawing sheets?

Art and hobby supply stores sell a variety of totes or portfoliOS for carrying artwork which work well for loose drawing papers of any size. Dura Tote is a basic, economically priced variety (under $20.00) and made of a lightweight cardboard type material in several sizes, all shaped like giant envelopes. These have soft woven handles for easy carrying. Sizes range from 14x20 to 23x31 in the stores I shop in. Beyond this type, there are portfoliOS in many materials from plastics to leather and in a wide price range.