Post-it® Super Sticky Dry Erase Surface DEF50x4, 50 ft (16.6 yd) x 4 ft (15.24 m x 1.21 m)

Transforms painted dry wall, glass, painted steel, finished wood or even old dry erase and chalk boards into a dry erase surface. Stain-proof technology erases cleanly every time. High-performance surface allows for smooth writing.