This self-adhesive black blackboard film is perfect for messages that are changed daily – in bars and restaurants, at the POS or in shops. From offices to children’s rooms, it transforms any smooth surface into a blackboard for writing on with chalk. A residue-free chalk removal is guaranteed: The highly scratch-resistant surface ensures writing can be wiped off easily, leaving no shadows or ghosting. Plus, the film surface looks like real slate, which makes the writing look very appealing.