Easyou Gridded Magic Water-Writing Cloth for Japanese Chinese Calligraphy Practice Thick 72x43cm(28.3"*16.9") Good for Chinese calligraphy or brush painting practice with water only. Size: 72x43cm(28.3"*16.9") Thicker. Impactful and portable with scroll. The handwriting come to light in wet, and go off when the cloth dried in 3-5mins. Economical, environmental, washable.