Information on the extent of a product enable customers to quickly and easily form a picture of its external properties, but also of its quantitative limits. Additionally, such information is of considerable importance for the product’s delivery, either via classical logistics or digitally via the internet.

Metabooks offers information on extent for the following characteristics:

Because information on extent may be sent in a variety of units of measurement, Metabooks normalizes them for the bookselling trade as follows.