<Material & Specifications> Materials : 14kgf and Fresh Water Pearl Dimensions : Length about 28mm, Width about 28mm *This product is 100% handmade, and so may not look exactly the same as the photo. <What is 14kgf ? > The 14k Gold Filled is an actual thick layer of 14K gold that has been bonded to a base core of brass for strength. This is called Gold Filled, a layer of gold that is crimped to the brass with high heat and pressure, the gold content is guaranteed to at least 1/20th weight of the total piece unlike thin regular brass with gold plated jewelry. <After USE> Please be careful to take care the handmade jewelry. To maintain the beauty of your jewelry, whether it is gold filled or solid gold. Saltwater, chlorine (swimming pools) and all heavy detergents and cleaning agents should be avoided. If 14kgf becomes tarnished as a result of discoloration or oxidation, please use a silver cloth and wipe the jewelry in one direction. This should restore luster to the 14kgf. To avoid oxidation, when not wearing, wrap your 14kgf jewelry in tissue papers and put it in a plastic zipper bag.