Expo - SAN2211318 Adapt and evolve your ideas with ease using EXPO Wet Erase Markers! These EXPO markers are permanent until you want it gone; with water-activated erasing technology they wipe clean with water when you're ready for a fresh start! The fine tip markers make vibrant, sharp marks and are perfect for capturing plans that last, labeling with flair, or creating colorful displays on glass, whiteboards, and other non-porous surfaces.Wet erase markers with water-activated erasing technology