Contact lens cleaner case: This contact lens case is made of eco-friendly plastic material, which is durable and safe. It features a neutralizing disc at the bottom to neutralize peroxides, making it different from standard contact lens cases. Travel size contact lens case: The case is compact and portable, ideal for travel or outdoor use. Suitable for multi-purpose contact lens care. The bottom tray requires initial activation with hydrogen peroxide; foaming occurs normally after the second addition of solution. 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 begin the cleaning process. Maintaining clean and safe contact lenses is essential. This product serves as a practical accessory for contact lens care and makes a thoughtful gift. Color: White & Blue Material: Plastic Package Contents: 4 x Hydrogen Peroxide Contact Lens Cases Note: Light reflection and display differences may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.