This Everbuild Wallpaper Stripper is a highly concentrated solution of surfactants designed to help strip wallpaper quickly and easily. The 500ml makes up to 4 gallons (18 litres) of solution, and will work on most types of wallpapers. Pour approx. 1/4 of a bottle into 1 gallon (4.5 litres) of hot water, then stir well and work into the wallpaper with a sponge, scoring the wallpaper beforehand will help penetration. Remember, this is essential with washable wallpaper. Leave the Stripper on for 5-15 minutes, to take effect, and then remove paper with a scraper or steamer. If there are several layers of paper process may need to be repeated. Naturally, protect carpets, furniture, and then mop up any spills of liquid, immediately. Specification Size 500ml.