Wall Chalkboards (Unframed)Unframed chalk boards come in a range of 5 sizes with pre drilled holes ideal for wall mounting. Suitable for restaurants, cafes, retail shops and schools where messaging or promotions needs to be regularly changed, these are easy to update using a damp cloth. With solid black material and edges these are hard wearing, double sided chalkboard surfaces, suitable for use with traditional chalk and liquid chalk pens. Greenguard Indoor Air Quality