The product is a set of 23 Texas Instruments TI-15 scientific calculators, each with a cover and includes three caddies. These handheld calculators are powered by both solar and battery sources, making them convenient for use in various settings. Designed by Texas Instruments, a trusted brand in the industry, these calculators are reliable and efficient for everyday office tasks. Perfect for business and industrial applications, these calculators offer precision and accuracy in calculations. Buyer adds usps shipping