--- title: Packing Rules description: Watch this video to learn about three of the packing rules you can utilize as part of Paccurate's cartonization API. --- [![Paccurate Logo](https://downloads.paccurate.io/hs-fs/hubfs/Asset%202.png?width=180&height=42&name=Asset%202.png "Paccurate Logo")](https://paccurate.io) # Packing Rules 3D packing rules aren't a new concept, but many warehouse management systems (WMS) lack the ability to incorporate these rules into their cartonization logic. To keep up with the fast-paced, fulfillment environment, your cartonization tool should be flexible and adaptable to accommodate operational changes, in real-time. In this video, Greg Walls will review some of the different cartonization rules that can be deployed across fulfillment processes. ![Greg Video](https://downloads.paccurate.io/hs-fs/hubfs/Greg%20Video.png?width=647&height=365&name=Greg%20Video.png)   Learn about the following cartonization rules: |   | Exclusion Rules | | --- | --- | |   | Stackability | |   | Alternate Dimensions, also known as "Squishability" | ### Watch the Video All content © Paccurate, Inc.