Write, draw and doodle designs on smooth surfaces with this set of chalk markers. These highly opaque wet-erasable markers can be used on chalkboards, windows, mirrors, ceramics and glass. The colors included are White, Fluorescent Pink, Fluorescent Red, Fluorescent Orange, Fluorescent Yellow, Fluorescent Green, Fluorescent Blue, and Fluorescent Violet.Details:Includes assorted colorsMedium tip8 piecesWater-based pigment inkHighly opaque, lightfast, odorless and xylene freeEasily erasable while still wetFor use on smooth surfaces such as glass, plastics, chalkboards, mirrors and moreConforms to ASTM D-4236Instructions:Use a damp cloth to wipe off of non-porus surfaces. After use press cap firmly to close. Not recommended for outdoor use.CAUTION: Keep away from flames even when empty.