Constructive Playthings Exclusive Jumbo Storage Boxes are the ideal choice for solving your classroom organization and storage needs. Made of clear, polyethylene plastic, these sturdy totes fit our Wheeled Tote Unit (CP-9). The deep storage boxes are perfect for storing manipulatives, arts and crafts, toys, blocks, and teacher supplies. Our tough Jumbo Storage Boxes are hand washable with soap and water making clean up simple and easy. Storage Boxes measure 10 1/2" W. x 5 1/2" H. x 13" D.