Chef-master 90031 – reversible write-on board with markers, 24″ x 36″ reversible write-on boards 24″ x 36″. Double sided, one side white – one side black. comes with 5 rain proof markers. Heavy duty construction provides durability. pre-attached hooks for vertical or horizontal hanging. Durable 5/8″ aluminum frame is made of rust resistant grade 304 stainless steel. Hardware for indoor & outdoor use.