Make hanging wallpaper easier on painted, glossy or other difficult surfaces with RUST-OLEUM Zinsser Shieldz clear wall size. This acrylic formula primes and sizes in just one-step and prepares your wall for all types of wallcoverings.Prepares all painted or glossy surfaces for wallpaper or bordersAdheres to vinyl, paneling and other hard-to-stick-to surfacesMakes positioning easier and promotes excellent adhesionEconomical enough for one large roomTintable to hide seamsFast drying, hang in only 2 hrLow odor, easy water cleanup