Contact lens cleaner case: This contact lens case is made of eco-friendly plastic material, which is durable and safe. It features a unique neutralizing disc at the bottom to neutralize peroxides, distinguishing it from standard contact lens cases. Travel size contact lens cleaner case: The case is lightweight and portable, ideal for travel or outdoor use. Contact lens case: Compatible with multiple brands of contact lenses. The bottom tray requires initial activation; no foaming occurs after the first addition of hydrogen peroxide. Normal foaming begins after the second addition. Usage: Unscrew the top cap, open the clip, place the lens in the designated basket, close the clip, and pour the cleaning solution into the chamber to clean the lens. Clear care contact case: Maintaining clean and safe contact lenses is essential. This product serves as a useful accessory for contact lens care. Color: White & Blue Material: Plastic Package Contents: 4 x Hydrogen Peroxide Contact Lens Cases Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement error is +/- 1-3 cm.