Contact lens case: This contact lens case is made of eco-friendly plastic material, which is durable and safe. It features a neutralizing disc on the bottom to neutralize peroxides, making it different from standard contact lens cases. Travel size contact lens case: The compact and portable design makes it convenient for travel or outdoor use. Compatibility: Suitable for multi-purpose contact lens care. The bottom tray requires initial activation with hydrogen peroxide; normal foaming occurs 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. Hygiene reminder: Keeping your contact lenses clean is essential for eye health. This product serves as a practical accessory for contact lens care and can make a thoughtful gift. Color: White & Blue Material: Plastic Package Contents: 4 x Hydrogen Peroxide Contact Lens Cases Note: Other items not included. Color may vary slightly due to lighting and display settings. Measurement error allowance: +/- 1-3 cm.