6.7 x 2.7mm Fancy Rectangle connector piece connected by three 3.4 x 2.9mm Oval link Links are soldered Chain is made from naturally hypoallergenic brass Electroplated Nickel Free 100% lead safe Care Tips: Do not swim or bathe with this chain. Stay away from lotions and sprays. Clean with gentle soap and warm water. Do not use jewelry cleaners or cloths.