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 case is compact and portable, ideal for travel or outdoor use. Compatibility: Suitable for use with multiple types of contact lenses. 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 and safety: Keeping your contact lenses clean is essential. This product is designed as a helpful accessory for contact lens care and makes a practical gift. Color: White & Blue Material: Plastic Package Contents: 4 x Hydrogen Peroxide Contact Lens Cases Note: Other items not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.