A rigid cardboard backing makes the pad usable as its own drawing surface anywhere

Equipped with a 8mm broad Quickflow polyester tip

The stickers are made of ultra-thin vinyl which makes them practically unremovable once they have been put up

Each pen can be filled with pretty much any liquid ink or water-based paint

During daylight it shows as a slightly transparent neon yellow-green

molotow blackliner pen round tip Idwrap A rigid cardboard backing makesThe Molotow's Blackliner pens are filled with black permanent pigment ink and are perfect for drawing outlines and details. The ink is waterproof and is classified as "archival ink" with high lightfastness. Like most of Molotow's products, these are also made in Germany.