This versatile paint marker is an amazing tool for artists, crafters, and anyone else who needs a pen that can write boldly on anything.The markers are able to write on a variety of surfaces including paper, glass, plastic, metal, and wood. Its water-based ink is opaque, water and fade resistant and does not bleed through paper. The ink is also acid free, archival quality, and non toxic.FeaturesGreat for scrapbooking, art projects, posters and signsWater and fade resistant ink will not bleed through heavyweight paperWater-based opaque markerAcid freeArchival qualitySafe for use by childrenAP CertifiedMedium pointSold as bundle of 3 markersUsage: To ensure a smooth, consistent ink flow, shake the pen well before use. If the tip is dry, prime it by pressing the tip down several times on a piece of scratch paper.