Clear and vivid printing, 100% simulation of the basketball court, colorful and intuitive. Smooth board surface for easy writing and easy wiping-off. Protection-zipper design can prevent accessories from losing. A extra whistle included,makes it a great gift for coaches. Full court for play diagraming; Unfold Size : 42*28*3cm/ 16.5 *11 *1.2 inch ;Folded Size:28 * 20 *3 cm / 11 * 7.8* 1.2 inch.