U Brands Glass Dry Erase Board, 35 x 23 Inches, Black Surface, Frameless Tempered glass dry erase surface never stains or ghosts. Black glass background creates high contrast with neon and bright color dry erase or wet erase markers Perfect for high frequency or occasional use in any office, home or commercial environment Modern frameless design hides all hanging hardware. Frameless feature enables multiple glass boards to be hung side by side to create an infinite writing surface Works with all dry erase or wet erase markers. Try U Brands dry erase and wet erase markers for ultimate board performance Mounts vertically or horizontally. Hassle-free mounting hardware and instructions are included