【Easy-to-use watercolor paper】 300gsm (0.47mm) ultra-thick block watercolor paper. The paper grain is a medium-grained type that is easy to handle as watercolor paper. It is possible to freely express blurring, bleeding, blurring, etc. The set of two books has high cost performance, and is also recommended for beginners in watercolor painting. [Compatible with various art materials] It uses neutral paper, which prevents the paper from deteriorating due to oxidation and keeps the color longer. It is compatible with various art materials such as watercolors, water-based markers, alcohol markers, colored pencils, and pastels. It is difficult to transfer to the back and is active in various scenes such as drafting and illustration production. 【How to use】 It is possible to detach it neatly by inserting the attached block leaf into the center and sliding it left and right. Peel it off slowly to remove any remaining glue before painting.