1.LED flashing pin 2.unique design 3.competitive price, excellent service, speed delively 4.free sample 5.OEM is welcome 1. Item: LED flashing pin/promotion pin2. Material: metal (can be zinc alloy, brass, iron, gold), or Silicone3. Design: custom design4. Size: as request5. Logo: can be with any Logo imprinted6. Method: 2d or 3d is ok7. Attachment: metal chain9. Process: die-casting, also can be ...