Leave a message 800-253-2840 Shop Online WHAT WE BUY WHAT WE SELL CONTACT US SMALL SELF LOCKING MAILERS These self locking white corrugated indestructo mailing boxes are great for mailing small objects. These are white corrugated and 200 test boxes. Contact Us St. Joseph, Michigan 49085 Philadelphia, Pennsylvania 19154 Memphis, Tennessee 38127 800-253-2840 Hours: 8AM-5PM Eastern Time, M-F ORDER ONLINE! SAVE ON NEW BOXES NOW. Need new, plain shipping boxes? We have them for you in stock and ready for immediate shipment. Just place your order online now. The more you order, the more you’ll save! But even one bale will beat U-line’s best catalog pricing. Plus, those other online shipping guys can’t compete with our low, low, low everyday prices! And we’ll deliver your new boxes to you fast! WHAT WE BUY Used Boxes New Obsolete Corrugated Gaylords / Food Totes Other Recyclables Baled Corrugated WHAT WE SELL Plain Boxes Gaylord Boxes Floral Trays Shipping Supplies Produce & Bulk Bins Inventory Search Plastic Bags Small Self Locking Mailers Clearance Items COMPANY About Us Contact Us FAQ Privacy Policy UNITED CONTAINER COMPANY St. Joseph, Michigan 49085 Philadelphia, Pennsylvania 19154 Memphis, Tennessee 38127 800-253-2840 Hours: 8AM-5PM Eastern Time, M-F FOLLOW US Copyright © 2021 United Container Company. | Sitemap Southshore Enterprises, Inc., Southshore Distribution, LLC, Southshore Development Company, United Container Co., Red Marlin Logistics, LLC, United Recycling Company, LLC and JK Energy Services, LLC Websites Terms of Use Southshore Enterprises, Inc., Southshore Distribution, LLC, Southshore Development Company, United Container Co., Red Marlin Logistics, LLC, United Recycling Company, LLC and JK Energy Services, LLC Websites Privacy Policy Illinois Biometric Information Privacy Act (“BIPA”) Policy