Short for Stock Keeping Unit (SKU) is a unique alpha-numerical identification tag that refers to a specific stock item in a retailer's inventory or product catalog. The SKU is most often used to recognize the product, product size or type, and the producer. In the retail industry, the SKU is a part of the rear-end inventory management system and allows a retailer to locate a product in their stock that may be in godowns or in retail shops.
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Here are a few things to remember for your SKU naming pattern:
- Stay between 8 and 12 characters
- Begin the number with a letter
- Never use zero
- Keep the format easy to understand
- Ensure each letter and number has a meaning
Each marketplace calls it by a different name. Below is a list of the different names given to SKU codes
| Marketplaces | SKU Names |
| Ebay | Custom Label |
| Snapdeal | SKU Code |
| Shopclues | Merchant Ref Code |
| Amazon | Seller SKU |
| Flipkart | Seller SKU ID |