Store papers flat. Made of birch and features KYDZStrong construction, KYDZSafe edges and KYDZTuff finish. Includes 24 paper-trays in assorted colors, each tray measures 11" wide, 13-1/2" deep, 3" high. Mobile, caster mounted unit measures 48" wide, x 15" deep, 35-1/2" high. Lifetime warranty. Does not qualify for free shipping and must ship truck freight; shipping weight is 142 lbs. Ships directly from the manufacturer, please allow 6-8 weeks for delivery.