It’s well to know that the lens holder should be replaced every three months, if you are an lens user, you should prepare some cases as you need. This lens container is made of plastic material, durable and practical. With portable design, it can keep your lens clean conveniently. for using during travelling or outdoor activity. Features - ColorTransparent - Material: Plastic. - Size: About 5.5x2.5x1.2cm. - The lens case is made of plastic, durable and watertight. - 10 lens containers is enough for your circannual demand and you needn’t to prepare other cases in one year. - : each lens case printed with , stands for left and right, can prevent you from confusing your left and right lenses and avoid hurting your eyes. - Easy to use: double frame is suitable for any lens, good tightness, keep lens clean, develop good eye protection habits. - It is very light and small, and does not take up too much space in the bag. It is suitable for students and office workers’ daily life, as well as travel, party or any outdoor activities. - Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 20 x Lens Cases