Bluemoona 20 Pcs - Rigid open face 2 Card ID Badge Holder Double-sided pick (Black) Plastic Card approx WxL: 95mmx64mm Accepts credit card size cards approx 86mm x 55mm(3 3/8 X 2 1/8 inch credit card size) Material:Plastic Color:Black Use for Standard ID clips, Neck Chain, Strap Clips, Lanyard, a Badge Reel,ID card, badge, Factory worker, Students, office worker and so on