The OEM Prang Classic Art Marker Set includes 48 markers that deliver bold colors without bleeding through paper. These markers are designed for creating exciting watercolor effects by blending with a brush and water. With long-lasting tips that withstand everyday use, Prang's ink formula allows for a 24-hour cap-off life before significant drying occurs. These AP Certified nontoxic markers come in 12 different colors, making them suitable for various artistic projects.