This ultra-thin glass board appears to float off the wall for a deluxe whiteboard unlike any other! ECR4Kids Magnetic Projection Boards feature a frameless design with a hidden mounting system that elevates any office, home or classroom space while providing undeniable functionality. The dry-erase surface resists streaking, staining and ghosting for a spacious writing area that wipes completely clean time after time. Magnetized backing allows you to use rare earth magnets to pin up papers, banners, artwork and more! Each board includes a grooved 34" wide accessory tray that slips onto the bottom of the board. Ultra-durable board is made with 4mm thick of tempered white glass that resists denting and scratching — backed by a 20 year limited warranty! Each board is sized for modern spaces and features a 16:9 aspect ratio for use with projection equipment, ideal for meetings, presentations and lectures. Board is designed to be hung horizontally.