Ghent's Harmony Glass Whiteboard offers a unique, long-lasting alternative to the traditional whiteboard. The ¼" tempered glass is made from recycled glass, sand, and steel that's been thermally treated for strength and safety. Pre-drilled mounting holes and 1"diameter round standoffs allow the board to float 1.25" off the wall without a frame. Include 4 markers, an eraser and an acrylic marker holder. Carry a 50-year warranty, is 100% recyclable, and made in the USA.