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 for neutralizing peroxides, distinguishing it from standard contact lens cases. Travel size contact lens cleaner case: The case is lightweight and portable, ideal for travel and outdoor use. Contact lens case: Compatible with multiple brands of contact lenses. The bottom tray requires initial activation; foaming occurs normally after the second addition of hydrogen peroxide solution. Usage: Unscrew the top cap, open the clip, place the lens in the designated basket, close the clip, then add cleaning solution to clean the lens. Clear care contact case: Helps keep your contact lenses clean and safe. This product is an accessory for contact lens care and makes a practical gift. Color: White & Blue Material: Plastic Package Contents: 4 x Hydrogen Peroxide Case Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3 cm.