ContaCount Lens Case 6 Pack, keep your ContaCount lenses protected from debris, dust, and contaminants. Research shows that ContaCount lens cases can grow considerable amounts of bacteria after just a few weeks of use. Even if you meticulously clean your lens case, bacteria can still find a way to grow, and the old solutions will find a way to stay. One of the best lines of defense is to replace our lens case at regular monthly intervals. It contains 6 lens cases. Our lens cases are made of durable, recyclable materials and feature bright colors and large letters for easy and quick identification. With your convenient, easy-grip lids, you'll find an opening and closing a breeze.