--- title: "WIP types: SKU BOM, Substyle BOM, Style BOM, and Master BOM" description: Here's a guide on how to choose the right structure for your manufacturing job. --- [Skip to content](https://support.digitbridge.com/digitbridgeclientknowledgebase/wip-types-sku-bom-substyle-bom-style-bom-and-master-bom#main-content) English Show submenu for translations [More support](https://support.digitbridge.com/digitbridgeclientknowledgebase/kb-tickets/new?hsLang=en) ![white-logo-db.png\]](https://support.digitbridge.com/hs-fs/hubfs/white-logo-db.png?height=50&name=white-logo-db.png) Open main navigation Close main navigation - English Show submenu for translations - [More support](https://support.digitbridge.com/digitbridgeclientknowledgebase/kb-tickets/new) - Go to digitbridge.com Go to digitbridge.com Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [DigitBridge Knowledge Base](https://support.digitbridge.com/digitbridgeclientknowledgebase?hsLang=en) 2. [Manufacturing](https://support.digitbridge.com/digitbridgeclientknowledgebase/manufacturing?hsLang=en) 3. [Informative](https://support.digitbridge.com/digitbridgeclientknowledgebase/manufacturing?hsLang=en#informative) # WIP types: SKU BOM, Substyle BOM, Style BOM, and Master BOM ## Here's a guide on how to choose the right structure for your manufacturing job. When creating a WIP job in DigitBridge, you must select a **WIP Type**. This determines how SKUs are grouped and how BOMs are applied to the production process. Understanding the differences between these types will help you choose the most efficient structure for your needs. ![](https://support.digitbridge.com/hs-fs/hubfs/image-png-Jul-17-2025-11-51-57-9828-PM.png?width=441&height=220&name=image-png-Jul-17-2025-11-51-57-9828-PM.png) --- ### SKU BOM Use when manufacturing a single, specific SKU. - **Best for:** Jobs focused on one exact product - **Example:** Producing 100 units of SKU *TSHIRT-BLK-M* - **BOM usage:** Each line item must have its own BOM --- ### Substyle BOM Use when producing several SKUs that share the same substyle or component group. - **Best for:** Items that vary slightly (e.g., size) but share color - **Example:** Producing *TSHIRT-BLK-S*, *TSHIRT-BLK-M*, and *TSHIRT-BLK-L* (all sizes of *TSHIRT-BLK*) - **BOM usage:** A single BOM can be assigned to all items --- ### Style BOM Use when producing items under the same overarching style code. - **Best for:** Managing BOMs for entire style families - **Example:** All T-shirts under style *TSHIRT*, regardless of size or color - **BOM usage:** Groups multiple substyles into one production run --- ### Master BOM Use when coordinating production across different styles or groups that roll up to a master item. - **Best for:** Complex or high-level planning across styles, substyles, or SKU groups - **Example:** Producing various SKUs for a full seasonal launch - **BOM usage:** Links all related BOMs for full control across families of products --- ### Key Differences **SKU BOM** - **Grouping Basis:** Individual SKU - **Best For:** Exact products - **BOM Assignment:** One BOM per SKU **SKU BOM** - **Grouping Basis:** Size/Color/Attr - **Best For:** Small variations of same product - **BOM Assignment:** Shared BOM across variants **SKU BOM** - **Grouping Basis:** Style code - **Best For:** Style-level manufacturing - **BOM Assignment:** Shared BOM across all substyles **Master BOM** - **Grouping Basis:** High-level group - **Best For:** Coordinated production across types - **BOM Assignment:** BOMs linked to a master structure ***Tip:*** *If you’re unsure, start with **SKU BOM**. It’s the simplest and ensures each item has a clearly defined BOM.* --- ### Related Guides - [How do I create and manage a Work in Progress (WIP) job?](https://support.digitbridge.com/digitbridgeclientknowledgebase/how-do-i-create-and-manage-a-work-in-progress-wip-job?hsLang=en) - [Can multiple SKUs share a BOM?](https://support.digitbridge.com/digitbridgeclientknowledgebase/can-multiple-skus-share-a-bom?hsLang=en) - [What is the difference between a BOM and a WIP?](https://support.digitbridge.com/digitbridgeclientknowledgebase/what-is-the-difference-between-a-bom-and-a-wip?hsLang=en) - [How do I record the final goods yield?](https://support.digitbridge.com/digitbridgeclientknowledgebase/how-do-i-record-the-final-goods-yield?hsLang=en) - [Settings](https://support.digitbridge.com/digitbridgeclientknowledgebase/settings?hsLang=en#main-content) - [ERP](https://support.digitbridge.com/digitbridgeclientknowledgebase/settings?hsLang=en#erp) - [WMS](https://support.digitbridge.com/digitbridgeclientknowledgebase/settings?hsLang=en#wms) - 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