1,Material: Tin+Plastic 2,Colorful Design 3,Attachment:metal pin/plastic clip 4,High quality,best price 5 ... pins: Colorful Printed Art paper with PP lamination + Tin / Aluminum on front side + Tin / Plastic on backside , Attachment : pin / safety pin / ... every one can be straight.Military badge / Butterfly badge: with the attachment is safety clutch .Plastic Badge:The backside is PLASTIC material ...