... luxury 3.Durable, waterproof, never fade 4.Competitive price Specificationsvoice box 1.Material:river shell,black MOP shell,white MOP shell ... general,but we can also provide other packing materials according to your demands.5.Finish:polished,honed,tumbled,flamed,and natural ... )Fading-proof6)delivery:delivery on timeOEM orders are welcome. voice box