Some good sources for wholesale kraft boxes include TheCustomBoxes.com, CustomKraftBox.com and PaperMart.com. All of these stores sell a variety of sizes of the kraft boxes.
TheCustomBoxes.com provides a variety of different sizes of kraft boxes at wholesale prices. The company also offers custom sizes and custom printing on the outside of the boxes for businesses. Minimum quantity is 100 boxes with free shipping. At CustomKraftBox.com, there is a lower minimum order of 50 boxes required. The kraft boxes come in different shapes and sizes. Paper Mart kraft boxes range in sizes between 6.5 x 6.5 to 12 x 12. Paper Mart provides free shipping.