The Languo Mini Watercolor Sketchbooks are compact and thick, making them perfect for on-the-go sketching. With a size of 3.15″ x 3.15″, these mini sketchbooks are ideal for quick drawings and notes. The brand, Dingshengjie, offers high-quality products, and the item is lightweight at 390g, making it easy to carry around. Each sketchbook is designed for watercolor painting and features a sturdy construction for long-lasting use. Whether you’re an artist or a student, these sketchbooks are a great addition to your art supplies collection.