For this product, we recommend the care solution 82690-2 as well as the storage box 82690-1. Please pay attention to the care instructions in the package insert, which is available in four languages (German, Italian, English, French). All lens products are continuously tested by TÜV. The lenses are manufactured using a sandwich process (three-layer printing). Super soft lenses provide complete protection for your eyesight. Once opened and cleaned, the lenses are usable for up to three months, and unopened they last up to five years. Important: The lenses must be removed from the original packaging before first use and placed in fresh contact lens solution (for example, item number 82690-2) for at least four hours. Only then can the contact lenses be used as instructed. This will help avoid eye irritation.