Made from Alder, finished naturally with no stain. Great gift idea, everyone needs a place to put those coins they collect! The top ring is 3", second ring is 4", third ring is 5", fourth ring is 6", and fifth ring is 7". The grooves are cut wide enough to accommodate most sizes of coins. The hive is finished with gloss lacquer. The UHP badge is engraved on the top with a laser. Depending on the size of your coins, this Beehive will hold approximately 33 coins. As a an extra customized option-you can request a lazy susan addition to the bottom to make the Beehive a turntable. For this customization-add $20.