Safe to Use:certified non-toxic ink and Special low odor formulaBold and Consistent: vivid color highly visible even in long-distance, perfect for settings like class lectures and office meetingsPerfect Writing Pal: quick-drying and streak free, no broken ink marks and no ink-leakage. Water-based ink is simple to wipe off using a cloth. Smear-proof leaves no ghost on the surfaceUltra Fine Tip 12-PACK VALUE SET: this dry erase marker rolls fluently on most smooth surfaces including whiteboards (not for blackboards/chalkboards), mirror, glass, paper cards, ceramic tiles, etcPerfect match with the dry erase calendar and whiteboard sticker Volcanics Dry erase whiteboard markers are the unsung heroes of conference rooms and classrooms. These understated writing tools let you solve problems and brainstorm ideas freely, without the permanence of pen and paper. The most satisfying ones lay down bold lines that your colleagues can see from across the room, flow as fast as your thought process, and erase with ease. Keep reading to learn how to choose whiteboard markers and which ones work best for specific uses.