easy dot Chalkboard black is a printable, self-adhesive black film with a slightly textured surface. You can write on the surface with standard chalk or pigment markers. The blackboard film can also be printed with various inks. White ink gives the best printing results and is the base layer for colored printing on this black film. easy dot Chalkboard black uses proven easy dot technology. This makes it very easy to apply, and it can be detached again as required. The adhesive school blackboard is ideal for smooth substrates in indoor areas. However, it can also be used for short periods outdoors. It can be cut to size and shape with a cutting plotter.