Frameless Tempered Glass Design - The size of the glass magnetic whiteboard is 36* 48 inch, the smooth tempered glass is easy to write and wipe, no dust, and the frameless design allows a larger writing area and will transform your work area into a modern space that s sure to draw eyeballs. Magnetic Posting - Multifunctional steel-backed magnetic glass is great for meetings and presentations. Easily hang papers and documents instantly with the included high-powered glass board magnets. Easy Mounting - Pass-through mounting makes installation simple. Screws insert through the front, so you can hang it accurately and evenly. Mount it vertically or horizontally to fit your space.