Colorful replacement contact lens cases for your Lens Alert in 6 bright and fun colors. Protect your eyes and spend less on replacement contact lenses because you forget how often you've worn your disposable contact lenses. Keeps track of when it's time to change your contact lenses and your contact lens case. Protect your eyes and spend less on replacement lenses because you forget how often you have worn your contacts. You won't wear them too long (potentially causing serious eye problems) and you won't dispose of them too soon.Price: