Staedtler 108 20-9 Lumocolour Pencil Permanent Black

Bic Pen Economy Medium Black Box 12.

Bic Pen Economy Medium Blue Box 50.

Waterproof wood-cased pencil. For opaque drawing and writing on almost all surfaces, including even dark or transparent ones, e.g. paper, plastic, metal, glass, wood, leather and stone. No bleeding through paper. Wood from PEFC-certified, sustainably managed forests.