Free Shipping & Easy Returns! Explore Mont Blanc MB0419OJ Eyeglasses now. Mont Blanc MB0419OJ is a Full Rim, Progressive Eligible frame for Men, which is made of Injected Acetate. Acetate is the most common material used for frame manufacturing. It has endless possibilities for color, texture, and patterns. It can even be laminated to create great visual effects, and it can retain a higher luster. Acetate is lightweight, so it is often chosen for its versatility in coloring as well as for its comfort. Acetate is made out of cotton seed fibers and plasticizers. This model features a Round shape, with a Single Bridge. This model has silicone nose pads for comfort and easy adjustments. Mont Blanc MB0419OJ Eyeglasses come with a cleaning cloth and protective carrying case.