Siggi sunglasses is a handmade frame made of sustainable materials. The sunglasses are delivered with quality lenses that provide certified UV protection. Dimensions in mm (total width / one lens / nose bridge / temple): 147 / 56 / 18 / 145 Material: Cotton acetate and stainless steel (minimum recycled content of 60%). The sunglasses are delivered with a hardcase made from recycled paper. It can be folded flat, so that it takes up minimal space when not in use.