... ,free samples,OEM service is available 1. Item: custom metal necklace, also supply silicone necklace2. Material: metal (can be zinc alloy ... , brass, iron, gold), or Silicone3. Design: custom design4. Size: as request5. Logo: can be with any ... , USB cover, labels, wrist rest, PVC sole, bar mats, silicone necklace, phone straps, watch wrist,USB cover and so on . custom ...