JACQUARD PRODUCTS-Screen Filler and Block Out. This screen filler can be used with all water-based screen printing inks. It is formulated for safe and easy use with Jacquard's Screen Drawing Fluid (sold separately), but can also be used independently to block out portions of a silk screen. It is ideal for fixing pinholes, negative space printing, or for creating stencils directly in a silk screen. This package contains one 8 fl.oz. jar of Screen Filler & Block Out. Conforms to ASTM D4236. Made in USA.