Ray-Ban Square Sunglasses Acetate Frame. Acetate is a plant-based plastic known for being lightweight, yet durable. Imported Plastic frame Crystal lens Polarized 100% UV protection coating Lens width: 60 millimeters Lens height: 45 millimeters Bridge: 15 millimeters Arm: 145 millimeters 2" high 2" wide Frame Material: Plastic Lens Material: Plastic Lens Width: 56mm Bridge: 15mm Arm: 145mm You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!