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 diameter20 sheetsBound on all sides to prevent paper from warping140 lb heavy paper weightAcid-free paperhttps://blog.ooly.com/how-to-watercolor-for-all-skill-levels/Suitable for ages 6 and up