... : PCB. 2. Size: 3cm-5cm. 3. Color: Red, blue, green. Halloween Gift, Christmas Gift, Led Pin Button: 1. Material: PCB.3 ... .8. Customized logos and shapes are welcome.9. Packing: EVA.Halloween Gift, Christmas Gift, Led Pin Button, Light up Pin, Light ... Button, Led Badge, Pin Badge, Pin Button. Halloween Gift, Christmas Gift, Led Pin Button