Harmonizing your thoughts has never looked so good. With five sizes to choose from, Harmony is a versatile and gorgeous way to brainstorm. Taking today's latest color trends and interior fashions into consideration, we've created the perfect palette of dry-erase boards to choose from. Change the way you think about a "whiteboard". Features Include: Tempered 1/4" thick glass with rounded or squared corners, Pre-drilled mounting holes are inset into the glass, 1" diameter satin aluminum standoff hangers create 1 1/4" spacing between wall and glass markerboard, Features a unique, clear acrylic rear-mounted accessory holder, complete with markers and eraser, Backed by Ghent's 50 year warranty.