Chalkboard. Adhesive chalkboard. Apply on clean surfaces. 24 in. W x 20.1 in. H Have a habit of forgetting things? Your youngster loves drawing on walls? We can help, with our decorative adhesive chalkboards! You can use regular chalk on the vinyl "blackboard"; write and wipe clean with a damp cloth as often as you like. It"s easy to apply: simply peel off the backing and stick the chalkboard to the wall. The adhesive used for this vinyl is strong enough to be considered permanent and stands up to repeated cleaning.