Features: Usage: Spray an anti-fog agent on the inside of the lens, gently wipes off the excesses foams, and let the liquid drying naturally. Wide ranges of applications: applicable to glasses, sunglasses, binoculars, camera lenses, goggles, ski goggles and masks. Effective anti-fog: The easy-to-use spray can keep your lenses from fogging even when wearing masks. Easy to carry: This anti-fog spray is easy to carry wherever you go, and can be put into almost any bag or purse for convenient travel. Easy to use: No special tools are required; After few seconds, you will have clear fog-free glasses. Specifications: Material: Antifogging Liquid Capacity: 20ml Size: As-Shown in the Picture Note: 1. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. If the antifogging agent enters the eyes by mistake during use, please stop using it, wash it with large amount of water, and seek medicals advice immediately. 3. Storage tips: Do not place it in direct sunlight or high-temperature, or where babies can touchs it. 4. This product adopts curing technology, which is convenient for transportation. Please add purified water into the bottle and shake-it well before use. Package includes: 1x Anti-Fog Agent Spray