21mm, 4 pieces Color: Gold These cannot be used as buttons. This product is a handmade item using pre-made button parts. There may be air bubbles in the resin. Please refrain from purchasing if you are looking for a perfect product. Each item is carefully made, but please understand that these are amateur handmade products. We do not accept returns, exchanges, or complaints, so please ask any questions you may have. Instant purchase is OK. #ButtonCabochon #Resin