Hundreds of metal keychain in different shape and design for your choice (1) material: zin alloy (2) Totally environmental, have passed the ROHS and SGS testing (3) total lenth:11.5cm ;dia of the ring:33mm; (3) the crystals of different color or different types are available. (4) nice look andfashionable design (5) we are specialized in various gifts and crafts, such as mobile strings,bottle opener,key chains,brooch,and other jewelry (6) Plating color: chrome-plated, (7) packing: back card and opp polybag, 50pcs per inner carton,600 PCS per outer carton