Contact lens cleaner case: this contact lens case is made of eco-friendly plastic material, which is very strong and safe, and has a neutralizing disc on the bottom for neutralizing peroxides, making it different from ordinary contact lens cases. Travel Size Contact lens cleaner case: the contact lens case is compact and portable, making it easy to take with you when traveling or during outdoor activities. Contact lens case: suitable for multi-focal contact lenses, the bottom tray does not foam after the first addition of hydrogen peroxide, requiring a second activation, and 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. Contact case: it is important to keep your contact lenses clean and safe, and this product is an accessory for your contact lenses, suitable as a gift. Color: White & Blue. Material: plastic. Package Contents: 4 x Hydrogen Peroxide Case. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.