SIZE AND MATERIAL - The Acrylic Dry Erase Board measures 17.75 x 23.625 inches, is made of durable, sturdy, non-discoloring acrylic material, which is clear and beautiful. REUSABLE DRY ERASE BOARD - The thick, highly polished acrylic board provides a clean, smooth writing surface. Write on this calendar with dry-erase markers. Easy to clean with dry erase. (markers and erases are not included.) Easy Care - Hand wash with a clean soft cloth and mild soap and water. EASY TO INSTALL - This weekly dry erase board is easy to install on the wall with unique mounting hardware(Mounting hardware and instructions are included), make it appear to float on your wall, bring an elegant touch to your office or home. STYLISH DESIGN - This rectangular acrylic weekly calendar is in a modern design. Monday to Sunday are printed in black letters separated by lines to make notes and organize schedules.