Convenient see-through barrel shows exactly how much ink is left.
Roll-resistant cap prevents markers from drifting out of sight.EnduraGlide dry-erase markers offer a patented three-chamber technology that delivers bold, continuous color on dry-erase boards, ceramic, glass and other nonporous surfaces. Dry-Erase Markers, Chisel Point, Black Low-odor, nontoxic, quick-drying ink erases cleanly. By sending ink straight to the nib from three separate pressurized chambers, markers flow more steadily, write smoother, and erase cleanly.