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!


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 |