These tear-off sheets by FOX RACING are designed to fit all Fox Airspace and Fox Main II goggles. Please note that they are not compatible with first-generation Main goggles. Each pack contains 20 laminated tear-off sheets that provide excellent clarity and visibility while protecting your lenses from dirt, mud, and debris. Simply tear off a sheet for an instant clear view, essential for off-road and motocross enthusiasts who demand optimal vision in challenging conditions.