Sending something special in the mail? Need an upscale look for that business presentation? Duck® Brand Self-Locking Boxes come in all white for a clean, upscale look. Easy to assemble thanks to self-locking tabs, you can open and close the boxes without bends or tears so they're perfect for storing and reuse. Plus, they come in a spectrum of sizes, including dimensions fit for catalogs and binders making them an ideal choice for all your business-to-business needs. Box/Tube: Box; Box/Tube Design: Regular Slotted Container (RSC); Length: 13"; Width: 9".