Our anti-fog spray is formulated to last for up to 48h per application Simply spray on both sides of each lens of your eyewear, wait 5 seconds, and wipe dry with cloth Anti Fog Spray is the safest and most effective anti fog spray available Effective for all lenses without coatings ,Eyeglasses, Sunglasses, Sports Eye Wear , Snorkel, Ski, Paintball, Dive Masks, Swimming Goggles, Safety Glasses and Goggles. Item Type:Anti Fog Spray Bottle Size:10 x 2.7cm/4"x1.1" Net Content: 30ML Quantity: 1 Pc. Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 Pc X Anti Fog Spray .