Easy identification of left and rightL (left) and R (right) are printed on the bottom. You can face yourself with the grooves of the contact lens case so you can distinguish the left and right sides of the contact lens.Premium MaterialThe contact lens case set is made of high-quality plastic, which is very durable and can protect your contact lenses for a long time. Attention:1. Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding.2. Colors may vary depending on the monitor, please understand. Attention:Hello, please pay attention to your shipping address when purchasing products. If your shipping information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly