Sturdy cartons help your shipment get to its destination safely! Shipped flat and easy-to-assembly in seconds - simply fold and tape. Constructed of strong 200 lb/ECT-32, C flute, Kraft corrugated cardboard. Greener choice - contains 15% total recycled content with 13% postconsumer recycled content. Office Depot(R) Brand Corrugated Cartons, 11 1/4in. x 8 3/4in. x 6in., Pack Of 25 is one of many Moving Kits & Boxes available through Office Depot. Made by Office Depot.