Sold as 1 Each. MasterVision melamine dry-erase board lets gives you a handy place to write down reminders and memos. Package contains one whiteboard, one snap-on tray, a four-corner mounting kit and installation instructions for convenient setup. 24'W x 18'H x 3/4'D. Manufactured by Bi Silque Visual Communication Products Inc. Sturdy aluminum frame with rounded corners mounts vertically or horizontally to fit your available space. Nonmagnetic surface wipes clean for easy care and maintenance. Snap-on accessory tray provides handy storage for markers and erasers. Designed for moderate use in your personal office space.