Contact lens case: Made from eco-friendly plastic material, this durable and safe contact lens case features a unique neutralizing disc at the bottom designed to neutralize peroxides, distinguishing it from standard contact lens cases. Travel size contact lens case: Lightweight and portable, it is convenient for travel and outdoor use. Compatible with multiple contact lens brands. 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, then add cleaning solution to begin the cleaning process. Clear care contact case: Helps maintain clean and safe contact lenses. This product serves as a useful 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: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.