Paper Wrapped China Markers. Just pull the string and unwrap as much lead as you want. China markers are perfect for writing on cellophane, glass, acrylic, plastic, metals, acetate, china, coated ceramic and just about any other non-porous surface. This package contains two markers: one black and one white. Made in USA.
Paper-wrapped grease pencils mark on plastic, glass, wood, leather, tile and more! Thick cores; no sharpener needed.