Ink erases easily and cleanly with a dry cloth or eraser. Improved vibrant color and long-lasting writing. Marks on whiteboard, glass and other nonporous surfaces. Durable chisel tip marks in a variety of widths. Cap can be left off for 24 hours without drying out. Low odor. • Get your thoughts across with MARKS A LOT®. • Wonderful color vibrancy to capture your audience's attention. • Erase easily and cleanly from almost any nonporous surface. • Versatile chisel tips support a variety of marking widths. • Cap can be left off for up to 24 hours without dry-out! Ink erases easily and cleanly with a dry cloth or eraser. Improved vibrant color and long-lasting writing. Marks on whiteboard, glass and other nonporous surfaces. Durable chisel tip marks in a variety of widths. Cap can be left off for 24 hours without drying out. Low odor. Marker Ink Type: Dry Erase; Marker Tip Type: Chisel; Marker Tip Size (text): Broad; Marker Tip Size (numeric): 4.8 mm.