This is a collection case for casino chips and poker chips. Compatible with 40mm size chips. Set of 20 Inner diameter: 40mm, Thickness: approx. 3mm (inner dimensions) Outer diameter: 43mm, Thickness: approx. 6mm (outer dimensions) It can protect your collection chips from dirt and scratches. It can also be used as a coin case for poker card protectors, commemorative coins, etc. Brand new, unused, and free shipping. Since they are not individually packaged, there may be some minor scratches on the outside. Please understand. We also accept sales of other quantities, please inquire. The chips in images 3 and 4 are for illustrative purposes and are not included.