The Factor Notes A4 watercolor sheets are made with 300GSM thick, cold-pressed paper containing 30% cotton, providing excellent absorbency and texture for watercolor painting. The acid-free composition ensures long-lasting artwork without yellowing or deterioration. Each sheet offers a sturdy surface that supports detailed washes, layering, and blending techniques. The A4 size provides a convenient canvas for both small and medium-scale creative projects. With 9 sheets in the pack, artists have sufficient material for practice, studies, and finished paintings. The cold-pressed texture enhances brush control and adds a professional touch to watercolor artwork. This set is ideal for students, hobbyists, and professional artists seeking durable and high-quality watercolor paper.