Lot of 12 credit card sized lenses. Fits easily in your wallet. Makes a Great Reading Aid and Magnifier. Carry one in your wallet, car, and by the night stand at night. Many of us have glasses but still need a little help on the fine print. These are very thin and flexible PVC plastic. Made by OpticLens. Measures approximately 2" X 3.25" (54 X 85 mm).