... ,free samples,OEM service is available 1. Item: custom metal necklace, also supply silicone necklace2. Material: metal (can be zinc alloy ... . Finish: hand polish, also can be soft enamel, with AP, imitation hard enamel, hard enamel, sand blasting, printing, gemstone 11. Plating ... USB cover, labels, wrist rest, PVC sole, bar mats, silicone necklace, phone straps, watch wrist,USB cover and so on . custom ...