The RB4246 Clubround sunglasses feature an acetate and metal frame with round lenses. The unisex pair are a marriage of the popular Clubmaster and Round styles and are available in a variety of frame colors and lens treatments including polarized, gradient, solid and mirrored. Ray-Ban sunglasses sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Ray-Ban link above the product title to shop the entire Ray-Ban sunglass and eyeglass assortment.