This listing is for one set of 12 arts and craft brushes by Royal & Langnickel. They are natural hair brushes. There are 4 of each size. number 1, number 3, number 5.  According to the package, they can be used for oils, acrylics, tempera, watercolors, and model paints.

This listing is for one set of 12. I have additional sets of 12, so if you order more than one set you will get a discount.