1/30/2026
Item number
What is an item number?
An item number is a unique identifier assigned to a specific product within an inventory system. It helps businesses track, store, and manage products efficiently across locations and sales channels.
Item numbers in eCommerce
In eCommerce, item numbers are essential for accurate order fulfillment, inventory visibility, and system integration. They are often used in the form of SKUs or internal product codes. With everstox, item numbers are synced across all connected warehouses and integrated platforms – enabling real-time stock updates, picking accuracy, and reporting.
Example for an item number
A T-shirt in size M and color blue has its own item number. When a customer places an order, the everstox platform ensures that the exact variation is picked, packed, and shipped correctly from the right location.
About the author

Anna Kraus
eCommerce and logistics expert
With over seven years of experience in online marketing, Anna is responsible for the content strategy and editorial development of the everstox website. Her work focuses on eCommerce, logistics, and supply chain management, translating complex operational topics into clear, relevant, and actionable insights.
Since joining everstox in 2024, Anna has taken full ownership of the company’s editorial content, including blog articles, in-depth industry pieces, and the complete everstox glossary. Her content connects current trends in eCommerce and logistics with the real-world challenges faced by growing brands, helping decision-makers navigate an increasingly complex operational landscape.
Anna holds a bachelor’s degree from the University of Salzburg and earned a Master of Business Administration with a focus on health management from IU International University. Her master’s thesis on occupational health management reflects her analytical mindset and her interest in how integrated strategies can strengthen long-term business performance.
By combining academic rigor with hands-on marketing experience, Anna delivers content that goes beyond surface-level commentary. Her work offers readers a clear, well-informed perspective on the intersection of digital innovation, logistics, and supply chain operations, with a strong focus on practical relevance and strategic clarity.
