Easy-to-read 23" x 17" monthly calendar with smooth writing surface and grid lines for tracking deadlines and to-do lists. Delivers effective performance when planning and organization is needed in low-use personal environments. Shaded grid lines and modern graphics guide reading. Extend surface life with regular cleanings using Quartet cleaning solutions. Flexible mounting system attaches to regular or fabric-covered walls for a versatile organization system. Includes 1 Quartet dry-erase marker and 1 eraser. Also available in 17" x 11".