Quartet Infinity Magnetic Glass Unframed Dry-Erase Whiteboard, 24" x 18", White - Ultra-modern, tempered-glass-surface whiteboard delivers high-quality performance. Durable, tempered-glass provides a smooth writing platform that erases cleanly after every use, preventing ghosting and staining. Write with any dry-erase marker. Less porous and absorbent than standard whiteboards, this board will maintain its impressive appearance for years to come, even under frequent-use conditions. Frameless board is a good fit for any contemporary office. Hardware is included for simple and secure wall mounting. Occasional cleaning is recommended for best performance. Infinity Glass Boards have achieved GREENGUARD Gold Certification.