3M Post-it Super Sticky Dry Erase Surface DEF4x3 3 ft x 4 ft (91.4 cm x 1.21 m) 6 per case

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.