Hinge: 5-barrel stainless steel Floatable Frame: Grilamid Base Curve: 8 Lens: polycarbonate Enjoy outdoor summer concerts with the Dragon Marquis Sunglasses perched on your nose. With tough polycarbonate lenses and Grilamid frames, you can get wild without worrying if they fall off for a second. Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.