Newest member of the ThinOPTICS family... the Keychain! Lightweight, ultra flexible and always with you reading glasses. The flexible glasses collapse to fit into a keychain case. When taken out, they unfold into two optical-grade polycarbonate lenses bound by titanium alloy.br br Although these glasses don’t have temples, they can still comfortably sit on your nose. Independent-suspension nose pads allow the glasses to firmly sit on your nose.br br The glasses are available in four magnifications: 1.0, 1.5, 2.0, 2.5. They are as thin as two credit cards but are built to last.br br This a great gadget for people for want to have reading glasses on them at all times. Especially if you hate bulky cases for glasses that never fit anywhere.