Polarized Clip on Flip up Plastic Sunglasses, Large Tru Rectangle, 60mm or 2-23/64&rdquo; Wide X 38mm or 1.50" High (128mm or 5" Wide), Polarized Brown Lenses New lower profile squeeze to open clip New leg profile to fit both metal and plastic frames All metal alloy construction - virtually unbreakable clip mechanism Legs have proprietary coating to protect ophthalmic lenses and prevent shifting and scratching Convenient one hand application to Prescription frames with positive indexing lens positions