'Dipper' Round Cat Eye Women's Eco Sunglasses from Bird. The Dipper features refined curves and an elegant matte finish, these wooden sunglasses are lightweight and comfortable to wear. Made from sustainably sourced maple and beech wood with polarised charcoal lenses, these layered frames give you total UV400 protection. The Dipper is an exclusive eco-conscious companion designed to look good in any situation. First three photos for reference only; other photos are of the acutal product you will receive. Condition notes: frames have marks as pictured.