Premium Black Walnut and High Quality Bamboo! 

Dimensions:

9 1/2" x 3/4" Thick

Each piece is lightly sanded with no oil or finish. Ready to be engrave with your favorite design.

Bulk discounts automatically apply at checkout. 

13 rounds fit inside a 10x10x10 box, which I found to be the best rate and price for shipping them.  

Finish: (I use this on all of my products!)

https://amzn.to/4cpN3IG