The excellent Battatura Alessandro Polarized sunglasses uses Acetate frames combined with Plastic , which will provide full protection from UV rays. Available in a great assortment of colours, the Battatura Alessandro Polarized B225S showcases Blue frames and Grey Polarized lenses. B225S - Seashell Blue - Blue - Grey Polarized B224S - Eclectic Havana - Blue Tortoise - Grey Polarized Acetate: Acetate is hypoallergenic| lightweight   Frame Shape: Square Frame Style: Full Rim Frame Material: Acetate Lens Material: Plastic