Common specifications: slightly larger than ordinary lens packaging bag size;

Paper selection: double-adhesive paper as the main, coated paper as the auxiliary;

Production process: sticking lining paper inside, also can effectively prevent the lens scratch;

The bags are printed with "L" and "R" to distinguish the left and right design;

Front printing form, convenient for you to write notes;

Plane, three-dimensional can be satisfied;

The Expandable Pair Lens Envelope is specially produced for the production. The customized lens from the laboratory is equipped with a pair of twin lens envelope, so that your preparation is more safe and assured, so as not to confuse the left and right and increase your extra workload.