Classic and subdued elegance, DIFF’s Maxwell brings all the style. These frames offer a medium fit and chic rivet details. Includes travel case and cleaning cloth. Frame Measurements: 49mm-19mm-145mm. Frame: Hand Cut Acetate. Please note: Frames are brown, not tortoiseshell, as pictured in the model. See the product photos for frame color. NOTE: The lenses in these glasses have my distance Rx, so the buyer would need to remove the lenses and either replace them with their own Rx or with blue light blocking lenses.