Contact lens cleaner case: This contact lens case is made of eco-friendly plastic material, which is strong and safe. It features a unique neutralizing disc on the bottom to neutralize peroxides, distinguishing it from standard contact lens cases. Travel size contact lens cleaner case: Lightweight and portable design makes it convenient for travel and outdoor use. Compatible with multiple contact lens brands. The bottom tray requires initial activation; foaming occurs normally after the second addition of hydrogen peroxide. Usage: Unscrew the top cap, open the clip, place the lens in the designated basket, close the clip, and pour cleaning solution into the chamber to clean the lens. Clear care contact lens case: Helps keep your contact lenses clean and safe. This product is a contact lens accessory, suitable as a gift. Color: White & Blue Material: Plastic Package Contents: 4 x Hydrogen Peroxide Case Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.