Experience watercolor painting in a unique way with the Chroma Blends circular watercolor paper pad. 20 sheets of high grade watercolor paper. Circular watercolor paper|10 inch diameter 20 sheets Bound on all sides to prevent paper from warping 140 lb heavy paper weight Acid-free paper https://blog.ooly.com/how-to-watercolor-for-all-skill-levels/ Suitable for ages 6 and up