30ml bottle. Anti-Fog Brillenspray from Hilco Optiplus. This is an Anti-Fog Lens Spray suitable for all coated lenses. Prevents fogging in all types of lenses such as prescription glasses, sunglasses, sports and safety glasses and goggles. After applicable you will find that is it long-lasting and highly effective for fog prevention - ideal to prevent steaming up whilst using PPE or a mask. Unlike most anti-fog wipes these are suitable for all coated lenses including hard coats and anti-reflection coatings. Not to be used with contact lenses. Quality optical product, made in Germany by Breitfeld & Schliekert.