This 4N1 magnetic dry erase combo board is a perfect and functional solution for the frequent and heavy usage areas of your office, school classroom, home or any commercial space. Durable silver aluminum frame adds a clean modern touch to any room setting. Faint grid line section for notes or small graphs. Built in cork strip enables you to pin important notes and pictures. All ink erases easily with a simple eraser, try U Brands board erasers for ultimate performance. Occasionally, use any dry erase board spray or wet dry erase board wipes after continuous use to clean the writing surface. Although all dry erase markers work well with this board, the U Brands dry erase markers provide the ultimate writing and eras-ability experience. This whiteboard board has a universal mounting system, as it can be hung horizontally to fit your allocated space. All wall hanging hardware is hidden under the mounting bolts for a sleek and modern appearance. The board is packaged with extra supportive corrugate material that is highly resistant to damage during shipping; all corrugated material can be recycled once unpacked. Actual Size: 23" x 17". Board Surface Type(s): Bulletin/Dry Erase; Magnetic Board Surface: Yes; Surface Material: Natural Cork; Painted Steel; Surface Color: Tan/White.