Off the Shelf is a term used to describe a product that is readily available for purchase in stores or online, without the need for any customization or special ordering. This term is commonly used in reference to consumer goods, books, and software programs.

As a busy student, I often prefer buying off the shelf textbooks instead of waiting for special editions to be printed.

You can find a wide variety of off the shelf office supplies on Amazon.

The company decided to develop custom-made software rather than using off the shelf programs available in the market.