50pcs Dental Matrix Steel Double-Side Contoured Anatomically Shaped Matrix Bands

✦ Exterior - Green/Blue. ✦ Interior - White/Yellow. ✦ Material: Stainless steel. ✦ Green-Yellow:Thickness:0.038mm ,Height:6.3mm. ✦ Blue-White:Thickness:0.03mm ,Height:5.0mm (Dead soft).

eBay