23.5"x26" Gridded Sketch Board & 23"x31"x1" Prestige 'University' Soft Side Portfolio - portable sketch board is made of strong, tempered masonite with cutout carry handle. Metal clips and rubber band (included) hold paper securely in place. Soft Side Portfolio is made of durable black nylon material with a smooth running nylon zipper plus an adjustable, removable black shoulder strap. Water-resistant, with reinforced corners and handle.