Features: 1.[Acid Free Paper] Watercolor book is made of acid free paper, which solves the problem of preserving artwork for a long time and ensures its longevity. 2.[The Right Size] The watercolor book is the right size, so you can paint without stretching the paper, making it ideal for artists looking for permanence. 3.[Simple And Elegant] Watercolor block is designed with a simple black look, generous and beautiful, with hardboard double sided cover. 4.[Comfortable Texture] Watercolor paper block provides a comfortable writing and painting touch that is less likely to deform or cause color to seep out. 5.[Professional] This watercolor book is very absorbent, ideal for mixing and leaves clean lines that do not fade easily and can be used for wet and dry mixed media. specification:Item Type: Watercolor Book Material: Acid Free Paper PackageList:1 x WatercolorBook