Constructive Playthings birch storage units provide creative and durable storage solutions for your classroom needs. Constructive Playthings Extra Deep Mobile Tote Storage/9-Tray features 9 distinct cubbie storage areas -perfect for storing manipulatives and art supplies. Our versatile unit comes with 9 clear, rigid storage totes and provides ample deep storage and classroom organization solutions. The see-through totes help provide at-a-glance identification for storing small parts, manipulatives, toys, books, and classroom supplies. Our units are crafted out of .625" high-quality Birch plywood, featuring dowel and screw construction, solid MDF backs, and heavy-duty casters providing easy mobility. It has a non-toxic UV finish that won’t yellow and withstands rigorous use. Our birch storage units feature a limited Lifetime Warranty against defects in materials or workmanship. They are expertly constructed with high-quality materials to provide years of daily classroom use. This storage unit is proudly made in the U.S.A and is GreenGuard™ Gold certified. The Extra Deep Mobile Tote Storage/9-Tray unit measures 40 1/2" W. x 24 1/2" H. x 17 1/2" D. It weighs 84 lbs., and is truck shipped fully assembled.