Smooth and durable writing surface, lightweight for easy carry throughout the entire workday. Each clipboard also has an engraved ruler on each side consisting of 25 centimeters, perfect for the on-the-go measuring. The plastic clipboards have a built-in hanging hole, which can help you place your documents randomly. Perfect for kids learning, group projects and outdoor activities. They can also be used in classrooms, offices, restaurants and other occasions. 8 21/32" W x 12 13/64" H