2.5 mm by 8 mm media 2.7 pound bags. We have two bags. Each bag is 15dollars. Media is similar to this link below https://www.amazon.ca/Polishing-Non-Abrasive-Ceramic-Tumbling-Tumbler/dp/B085XP8C5H/ref=sr_1_28?crid=2E9PN8LLLYJK0&keywords=tumbling+media+porcelain+ceramic&qid=1638406088&sprefix=porcelain+tumbling+media%2Caps%2C314&sr=8-28