***These are a Japanese or silver coated type of coal, these aren't quite nats.*** However, they are awesome and have AMAZING surface area! Check out hookahpro.com your ultimate source for everything hookah!
This is a coal review of Sezar Light Finger Coal
I would give them a 7/10 for more info check out the review and visit hookahpro.com
Also a big thank you to www.hookahstore.com for sending these out to me to review