Frameless reading glasses for presbyopes including a smartphone case.Rectangular shape, unisex and universal.Reading glasses that go anywhere.Armless design.Practical, compact, and durable easily slips into a bag or pocket, or hangs on a keychain.Remarkable hold thanks to the flexible polycarbonate frame and soft elastomer nose support.Weighs just 6 grams.Anti-scratch coating lenses.Frame.Materials:Polycarbonate distinguished by its optical purity and very high impact resistance.Weight:5 grams (frame and lenses included).Lenses.Type:Polycarbonate - Single-vision reading lenses, prescription-free.Dimensions:Width of each lens:38 mm.Space between the two lenses:13 mm.Coating:Scratch-resistant.Anti-reflective.