This largely depends on the dimensions and style of your box.
Our default board (material) stock for each style is as follows:
| Box Style | Flute/Caliper | Thickness** | Weight Rating*** |
| Shipping Boxes (Including Econoflex) | B-Flute | ⅛ inch (0.125") | 30 lb |
| Mailers (small/medium)* | E-Flute | 1⁄16 inch (0.0625") | 10 lb |
| Mailers (large) | B-Flute | ⅛ inch (0.125") | 20-30 lb |
| Product Boxes | 16pt or 18pt | N/A | 16oz or 1 lb |
* Small/medium Mailer boxes can be requested in B-Flute if preferred. Additional charges may apply for this thicker material option.
** Thicknesses shown represent raw material thickness. After shipping, storage, and production, the physical thickness of your finished box material may be thinner due to natural compression of the material over time.
*** Maximum weight will depend on arrangement of contents inside of box, strength of tape/glue used to assemble your box, and average shipping & handling conditions.
Because we offer custom-sized boxes, we're unable to provide a list of per-box weights for all sizes. But here’s a handy chart with some of our most common sizes and their estimated empty per-box weights as a point of reference!
| Size | Type | Unit Weight (in oz) |
| 9 x 6 x 3 | Mailer | 5 |
| 10 x 8 x 4 | Mailer | 8 |
| 12 x 9 x 2 | Mailer | 6 |
| 8 x 5 x 2 | Mailer | 3 |
| 7 x 5.5 x 1.25 | Mailer | 2 |
| 12.5 x 10 x 4 | Mailer | 11 |
| 6 x 6 x 2 | Mailer | 3 |
| 9 x 8 x 2 | Mailer | 6 |
| 8 x 5 x 3 | Mailer | 4 |
| 9 x 6 x 1.5 | Mailer | 4 |
| 12 x 12 x 12 | Shipper | 19 |
| 6 x 6 x 6 | Shipper | 6 |
| 8 x 8 x 8 | Shipper | 10 |
| 8 x 6 x 6 | Shipper | 8 |
| 12 x 12 x 6 | Shipper | 12 |
| 12 x 12 x 10 | Shipper | 18 |
| 13.5 x 10 x 10.75 | Shipper | 15 |
| 14 x 14 x 14 | Shipper | 23 |
| 6 x 4 x 7 | Shipper | 4 |
| 24 x 10 x 6 | Shipper | 18 |
| 13.75 x 11.75 x 4.5 | Shipper | 13 |
| 10 x 10 x 10 | Shipper | 16 |
| 9 x 6 x 4 | Shipper | 7 |
| 12 x 10 x 8 | Shipper | 13 |
Need a thicker corrugated cardboard option?
We also offer a thicker C-Flute corrugate by custom request if you are ordering more than 2,000 units. Please contact our Packlane Plus team for pricing.