Solid .925 Sterling Silver Measures about 1/2' x 1/2" Includes 6mm Split Ring Weighs about 3.1 grams Sterling silver 3D birthday cake charm with 1 candle. This is a medium sized birthday charm. It can be used for a baby's first birthday charm. This is a solid 3D charm. This charm comes with a 6mm sterling silver split ring already attached so that you can hook it to your charm bracelet or use for a necklace.