Encourage an organized classroom with these mobile, cubbie tray units. 30 tray unit measures 48 inches wide x 15 inches deep x 29½ inches high. Freckled gray laminate with edgebanding available in nine color options. Mobile, caster mounted, for easy mobility throughout the classroom or daycare. Write-n-Wipe recessed backs are standard. Lifetime warranty. Perfect for keeping your students organized in the classroom.