Cocoons Sidekick Flip-Up Low Vision Aid Medium K400L Rectangular Sunglasses Imported Plastic frame Plastic lens Non-Polarized 100% UV protection coating Lens width: 58 millimeters Lens height: 36 millimeters Bridge: 14 millimeters Convenient flip design Ultra lightweight Uv 400 protection Designed to fit comfortably over frames up to 5 7/6" w x 1 7/16" h (138 mm x 36 mm) Convenient Flip Design Ultra Lightweight UV 400 Protection Limited Lifetime Warranty