These keycaps consist of a set of 21 numpad keycaps in OEM profile made with ABS. (Only 17 keycaps are pictured in the photos above but you will receive 21 total.)
They are perfect for fitting to a numpad which has a custom fucntion row at the top such as the KC21: HERE
They come in several different color profiles which are pictured in the the gallery above.
When ordering, please be sure to order the color profile you want based on the number shown in the images corresponding with your desired color.