Amazon.com: Make your own 9x6x4 custom boxes, printed on the outside (mailers & shipping Boxes). Great for subscriptions, gift boxes, product packaging, etc. Made with corrugated cardboard. : Office Products
United States Post Office Shipping Box 8 x 8 x 8 White - Office Depot
Amazon.com: BOX USA Medium Moving Boxes (Pack of 10) for Packing, Shipping, Moving and Storage : Industrial & Scientific