Optional heavy-duty casters included for easy mobility . Birch storage cabinet with 20 cubbies . Made of 11-ply birch . Safety tested to be non-toxic – CPSIA compliant . Assembly Instructions . 48 in. W x 13 in. D x 30 in. H . Individual cubby dimensions are: 8.75″ wide X 6.25″ tall X 12″ Deep These classroom storage units are a “must” for any classroom, daycare or community center. Each cubbie can accommodate a tote bin or be filled with students’ supplies, children’s personal items or manipulative toys in one easy to reach place.