1.One Year Supply - Each package has 6PCSpurple + whiteand 6PCS green + white total is 12PCS. They can be used for one year. You can change the contact lens case once a month to protect your eyes. 2.Easy To Carry - The Mini contact lens case is a good companion for you to go out for activities and outdoor travel. 3.Texture Of Material - It's an environmentally friendly plastic material. The contact lens case is beautiful in appearance, small in size and easy to use, so that you can take it out easily. 4.Good Design - "Left" and "Right" are clearly marked on the lid of each contact lens box, which can be clearly separated and is very convenient to use. 5.Ideal Choice - Choose the mini contact lens box, you can put these beautiful and lovely boxes in the office, computer bag, home drawer, office desk, pocket light urine to carry your use, join us, you will join a very lovely and energetic candy color family.