This Aquarelle Watercolor Brush set of 3 from Caran d'Ache includes a large 15mm tip, 12mm medium tip and fine 9mm tip. Practical and easy to use, the 20ml reservoir is easy to fill and clean using its pump system. The synthetic tip can be cleaned with water. The large push button allows for precise control by the artist. Ideal for use with all kinds of watercolor products. This is a versatile set for traveling or sketching outdoors.