writing surface measures 12″w x 12 ½”h. Working at an angle with a book or writing paper promotes the development of proper hand and wrist positioning for handwriting, fine motor skills, as well as good visual tracking. This lightweight, portable slant board clamps paper securely in place for writing and drawing. Features low, 20-degree angled surface. It is lightweight and collapsible for ease in storage. Each board incorporates a durable clip & smooth writing surface.