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 disc on the bottom to neutralize peroxides, making it different from standard contact lens cases. Travel size contact lens cleaner case: Lightweight and portable design makes it convenient for travel and outdoor use. Compatible with multiple contact lens brands. The bottom tray requires initial activation; foaming occurs normally after the second addition of hydrogen peroxide solution. Usage: Unscrew the top cap, open the clip, place the lens in the designated basket, close the clip, then add cleaning solution to clean the lens. Clear care contact case: Helps keep your contact lenses clean and safe. This product is a contact lens accessory, ideal for gifting. Color: White & Blue Material: Plastic Package Contents: 4 x Hydrogen Peroxide Contact Lens Cases Note: Light reflection and display differences may cause slight color variation between image and actual item. Measurement allowance is +/- 1-3 cm.