Crayola Visi-Max Dry-Erase Markers Get your point across with Crayola Visi-Max Dry-Erase Markers. The special chisel tip on each of these whiteboard markers is designed to give you a broad, crisp line that's easily seen from anywhere in a classroom or conference room. These low-odor markers come in four vibrant colors--black, blue, green, and red--that erase easily. What's in the Box: Four broad-line chisel-tip dry-erase markers.