BEAD TRAY: Turn your Treasure Mat into a bead board. Order ASIN# B07YDKD1CK or ASIN# B088G2PNZB for coordinating bead mats. SIZE: The inside of the tray measures 11 x 14 inches (35.6 x 27.9cm). FLOCKED: The flocked surface helps keep beads from rolling around. Aids in keeping designs in place during the planning process. COVER: Clear cover makes tray easily transportable and allows you to see/protect anything you may be working on. STACKABLE: The trays are designed to stack into each other. Great for travel or storing for a class or demonstration!