Flying Fisherman Sanibel Polarized Polycarbonate RhinoLens Sunglasses are made with injected polycarbonate that is virtually indestructible, and 35 times stronger than glass, etc. Polarized lenses eliminate glare and reduce eye fatigue. Master angler sunglasses have AcuTint polarized lens system that enhances color contrast, without distorting natural colors. Sanibel sunglasses are shatterproof, scratch resistant, lightweight and durable. The Sanibel mauve frame has smoke lenses. Also, included is a microfiber case and a one year warranty.