Ticonderoga RediSharp+ Markers are extremely low odor as compared with the leading brand making them perfect for the classroom, office or home. Non-toxic ink permanently marks most surfaces but will not bleed through paper. Featuring a durable, fine tip for ease of writing. Details:Available in multiple colorsFine tip for ease of writingBox of 12 markersAP certified non-toxicExtremely low odor formula Fast drying, permanent ink will not bleed through paperWater based ink