Contact lens case: Made from eco-friendly plastic material, this durable and safe contact lens case features a unique neutralizing disc at the bottom to effectively neutralize hydrogen peroxide, distinguishing it from standard contact lens cases. Travel size: Lightweight and portable design makes it convenient for travel and outdoor use. Compatibility: Suitable for use with multiple contact lens brands. The bottom tray requires initial activation—foaming occurs normally after the second addition of hydrogen peroxide following the first use. Usage instructions: Unscrew the top cap, open the clip, place the lens in the designated basket, close the clip securely, then add cleaning solution to begin the cleaning process. Hygiene and care: Helps maintain clean and safe contact lenses. This product serves as a practical accessory for contact lens wearers and makes a thoughtful gift. Color: White & Blue Material: Plastic Package contents: 4 x Hydrogen Peroxide Contact Lens Cases Note: Only the items listed are included. Other accessories shown in images are not part of the package. Please note that lighting and monitor settings may cause slight variations in color representation. Measurement may vary by +/- 1-3 cm due to manual measurement.