I bought a 20 pack, I break them from time to time and got tired of buying a new one every month. The 9mm is perfect for old style dugouts, love the Gravs glass vs the brass bats! I only wish they gave more choice of color. I don’t like the clear ones. My OCD has me cleaning them daily! Only 8 clear out of 20 so even then, the price was more than fair! Thanks!