1.LED flashing pin 2.unique design 3.competitive price, excellent service, speed ... 4.free sample 5.OEM is welcome 1. Item: LED flashing pin/promotion pin2. Material: metal (can be zinc alloy, brass ... , luggage tags, mouse pads, fridge magnet, wrist bands, mug ,cup coaster, car mats, soft PVC clock, pen cover, mobile phone stand ... , watch wrist,USB cover and so on . custom blinking LED flashing pin