The Ultra PRO Playmat and Artwork Tube is perfect for storing your standard size playmats, transporting artwork or documents, or for storing maps and other small collectibles. The black rubber caps have a snug fit that will not fall off, and the squared design will keep your tube from rolling away! Features: • Protects playmats, maps, artwork and other important items from dust & dirt. • Two thick square rubber caps fit snugly and firmly and will not fall off. • The tube is 15 inches in length and 2 inches in diameter.