natural real oval black lava ring 1.Professional R&D team. 2.Size:ajustable. 3.Material: lava,copper 4.BV audit . natural real oval black lava ring 1.hot sale in USA and Europe 2.top quality,factory price 3.New design,timely delivery 4.Lead, nickel Cr free Specialied in coral necklace, coral earring, coral bracelet, shell necklace, shell earring, shell bracelet, pendent, lava jewelry, turquoise ...