Premium, tempered glass surface dry-erase board is stain and ghost resistant to ensure clean erasability and is very durable. Glass is magnetic and offers a smooth writing surface. Use with dry-erase markers and rare earth magnets. Frameless design fits in seamlessly with modern office space décor, and allows boards to be lined up side-by-side for an extended writing platform. 48" x 36" size is wide format to match 16:9 aspect ratio projection screens and televisions. Writing in all colors is easily visible on the white glass board surface and glass is easy to keep clean with Quartet whiteboard cleaning supplies. InvisaMount™ feature with hidden hardware maximizes usable board space and gives the whiteboard a floating appearance. Template is included to aid in mounting accuracy. Included, aluminum marker tray is detachable. Clips on easily to store accessories or can be removed for a sleeker look. Marker and magnet accessories included. 20 year limited warranty.