The Winsor & Newton Brush Marker is a twin-tipped illustrator’s marker featuring a versatile brush nib for the ultimate in precise, flexible line control. Brush Marker’s non-toxic, alcohol based ink can be readily layered & blended to provide endless scope in rendering colour depth & tone. Ideal for a range of creative applications at home, college & in the studio. Winsor & Newton Promarker & Brushmarker FAQs