Here we have some nice lots of new, thick tan /brown with a hint of off white, plastic imitation horn style effect, buttons with a concave carved out center - two holes.

Made in Italy.  

The sizes are  1 inch =25mm,7/8=22mm,11/16=17mm  in size.

Sold in lots of 6 and 10.

The buttons are  4mm to 6mm thick.