These custom shoulder mailer boxes make the perfect shipping solution for your business! These boxes have over 20% more storage space than flat-rate box and are shipped at a lower rate. They can be used to send multiple items and save you money! If you need extra padding, try our label tape for extra protection during transit so your product arrives safely. Free shipping!










01Send your size, material and quantity — we'll price it for you.
02Our designers prepare your dieline and a realistic 3D mockup — at no cost.
03Review and sign off on the exact colours and layout before anything prints.
04We print, finish and ship your order to your door with care.
Posted on Google![]()
Sharon GaRodTrustindex verifies that the original source of the review is Google.
Very helpful assisting me on placing my order as well as patient on any question I had.Posted on Google![]()
Nathaniel RawlinsTrustindex verifies that the original source of the review is Google.
Easy communication and quick high quality deliveryPosted on Google![]()
John BaeTrustindex verifies that the original source of the review is Google.
My representative, Paul Millers, is an excellent source for advice in addition to some beautiful mailer boxes. We have placed at least two dozen orders for large quantity boxes and rarely, if ever, experienced any issues.Posted on Google![]()
Terry McGuireTrustindex verifies that the original source of the review is Google.
Chatting was very easy.Posted on Google![]()
Andrew ShortellTrustindex verifies that the original source of the review is Google.
Instant Custom Boxes are my go to resource for branded boxes. They are easy to work with, understand the projects and produce on time and with the highest quality. Would recommend to anyone looking for custom printed boxes.Posted on Google![]()
Emma LippincottTrustindex verifies that the original source of the review is Google.
ICB is the best printer I have worked with in my professional career. They had low minimums, plenty of options, and great quality. James was fantastic to work with; he always responded very quickly, looked over my files with great detail and kept me in the loop with every stage of the process. I worked with them remotely for this project, so having updates was great. Absolutely recommend ICB for your custom printing needs.Posted on Google![]()
Adonis NievesTrustindex verifies that the original source of the review is Google.
Excellent work.Posted on Google![]()
Samantha MillerTrustindex verifies that the original source of the review is Google.
Instant Custom Boxes provided great service for my company on two different occasions. They delivered high-quality cartons matching my specifications very quickly.Posted on Google![]()
Faith KraynikTrustindex verifies that the original source of the review is Google.
Contacted Instant Custom Boxes for a last minute box print need. They were super responsive, honest about their delivery timeline ability and ended up making a beautiful product that arrived faster than promised. Will definitely use this company for future box printing needs!Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
When you are tired of typical packaging solutions, it is crucial to use custom shoulder mailer boxes available in different shapes. These boxes help you build a distinctive brand identity and generate more sales even in a competitive market. At Instant Custom Boxes, we have introduced packaging boxes that align with your requirements. Therefore, you can easily pack different products such as gourmet treats, electronics, and cosmetics.
These versatile packaging boxes offer a lot of advantages to different businesses. Custom design mailer boxes are the most cost-effective packaging solutions. Moreover, the eco-friendliness of these boxes will help you engage eco-conscious customers.
Your packaging has become a great source of reflection on your brand identity to attract more potential customers. These custom-printed shoulder boxes help you to leave a strong impression on your customers. The availability of elegant designs and vibrant colors in the presence of excellent printing technology allows you to spread your brand message easily.
We are not creating the packaging but satisfying our customers with top-notch manufacturing services. At Instant Custom Boxes, we always make sure to provide top-notch custom-printed boxes.
These fabulous packaging boxes offer excellent functionality and versatility, allowing you to showcase your products on the retail shelves perfectly and ship them securely. Brilliant closures and elegant design have become essential elements in engaging potential customers.
At Instant Custom Boxes, we provide brilliant services to businesses that are looking to stay ahead of the competition.
| Box Style | Custom Shoulder Mailer Boxes |
| Brand | Instant Custom Boxes |
| Dimension (L + W + H) | All Custom Sizes & Shapes |
| Quantities | No Minimum Order Required |
| Paper Stock | 10pt to 28pt (60lb to 400lb) Eco-Friendly Kraft, E-flute Corrugated, Bux Board, Cardstock |
| Printing | No Printing, CMYK, CMYK + 1 PMS color, CMYK + 2 PMS colors |
| Finishing | Gloss Lamination, Matte Lamination, Gloss AQ, Gloss UV, Matte UV, Spot UV, Embossing, Foiling |
| Included Options | Die Cutting, Gluing, Scored, Perforation |
| Additional Options | Eco-Friendly, Recycled Boxes, Biodegradable |
| Proof | Flat View, 3D Mock-up, Physical Sampling (On request) |
| Turnaround | 4 - 8 Business Days, RUSH |
| Shipping | FLAT |