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 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 and outdoor use. Compatibility: Suitable for use with multiple brands of contact lenses. The bottom tray requires initial activation; it does not foam upon first addition of hydrogen peroxide but functions normally after the second addition. Usage: Unscrew the top cap, open the clip, place the lens in the designated basket, close the clip, and pour in the cleaning solution to clean the lens. Care: It is important to keep your contact lenses clean and safe. This product serves as a useful accessory for contact lens care and can be a practical gift. Color: White & Blue Material: Plastic Package Contents: 4 x Hydrogen Peroxide Contact Lens Cases Note: Only the items listed are included. Other products are not included. Due to lighting and display differences, the color in the image may vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.