What are dimensions for a slimline jewel case insert?

A slimline jewel case insert typically measures 7.2 inches (18.4 cm) in width and 4.9 inches (12.4 cm) in height. The spine of the insert is usually about 0.1 inches (0.25 cm) wide. These dimensions ensure a proper fit for the slimline case, which is commonly used for CDs and DVDs.