Writing on a wide variety of different surfaces, including non-porous glass and plastic, these pencils are the perfect solution to easy and effective marking. Providing you with bold and legible writing, these pencils are suited to a range of environments. Perfect for vibrant, eye-catching signs and notices in retail, hospitality and office environments. Great for marking glass, china, acetate and other polished and non-porous surfaces, this pack contains 12 black pencils.