Buy small cardboard mailers from United Container Company if you need to buy in bulk; you can also sell new or lightly used boxes to us. These self-locking white corrugated indestructo mailing boxes are great for mailing small objects. These are white corrugated and 200 test boxes. We have millions of boxes for sale and sell to companies in various industries. With self-sealing cardboard mailers, you can easily package and send goods to your customers. When you buy from United Container Co., we ship out the boxes right away to ensure you can use them as soon as possible.

Need help before placing your order for small cardboard mailers? Our team is readily available; simply call (800) 253-2840!