182 Black, 181 White, made from a high quality, hard plastic resin.
The black are dusty so they will need to be cleaned (see one cleaned in the photos). They are about 7.2mm. The white are about 7.1mm.
This item ships from Colorado, USA via USPS First Class Mail. Within 3 business days of purchase you will have a tracking number that you can use to sign up for notifications.
Please understand that this is a Vintage product.