This is the extremely popular Bainbridge 100 Super Black board suitable for presentation, illustration, or mounting. Deep black, scuff-resistant board cuts cleanly and is ideal for mounting photos and art for presentation. This stiff board is also great for indoor signage, and drawing with paint, charcoal, pencil, etc. Single thick board, case of 50 sheets size 15x20 inches (38.1 x 50.8 cm.) Made in USA.