Contact lens cleaner case: This contact lens case is made of eco-friendly plastic material, which is strong and safe. It features a unique neutralizing plastic disc on the bottom for neutralizing peroxides, making it different from ordinary contact lens cases. Travel size contact lens cleaner machine: The contact lens case is lightweight and portable, making it easy to carry during travel or outdoor activities. Contact lens case: Suitable for multi-brand contact lenses. The bottom tray does not foam after the first addition of hydrogen peroxide, requiring a second activation. It foams normally after the second addition of hydrogen peroxide. Usage: Unscrew the top cap, open the hard clip, place the lens in the designated basket, close the clip, and then pour the cleaning solution into the bottle to clean the lens. Clear care contact case: Keeping your contact lenses clean and safe is important, and this product serves as an accessory for your contact lenses, making it a great gift option. Color: White & Blue. Material: Plastic. Package contents: 4 x Hydrogen Peroxide Case. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color differences between the item in the picture and the actual product. The measurement allows an error of +/- 1-3cm.