These are the .040 White Styrene Super Sheets from Midwest Products. FEATURES: Solid white in color Flexible...bends and forms easily Compatible with many plastic adhesives Compatible with most paints, including Testors, Humbrol Enamel, Floquil Model Railroad Paint (solvent based) Thousands of uses including architectural models, school projects, fine arts, hobbies, do-it-yourself projects, and more INCLUDES: Four sheets SPECS: Thickness: .040" (1.00mm) Size: 7.6" x 11" (194mm x 279mm) COMMENTS: Some acrylic paints will rub off, so test before using them on your project. MidwestPart MID70104