I purchased this from Brideme for a wedding. I only tried it on and did not use it on the day. It has a very lovely design, but it's difficult to wear it casually, so I'm selling it. ●Size: Approximately 8.3 cm x 3.5 cm (maximum dimensions) Please note that there may be slight variations due to amateur measurements. ●Material: Crystal stone ●Condition: After purchase, I only tried it on one ear once, and haven't used it since. It's almost new.