1.Material: These contact lens cases made of plastic, sturdy and durable, protect your contact lenses from damage.2.Size: 2.4 * 1.1 * 0.6 Inch, Small, light and easy to carry. Put them in your pocket, purse, backpack, car, take your contact lenses wherever you need them.3.Assorted Colors: Each package comes in four colors: pink, blue, green and purple. You can use different color cases to distinguish different color contact lenses.4.Screw Top: The top is easy to open or close, no leakage of water, suitable for travel or other outdoor activities. Each top has an "L" or "R" to distinguish left and right, You can also distinguish left and right with different colored tops.5.One Year Supply: Recommended that you change the contact case once a month, we provide you with 12 contact lens cases.