• Built from high-quality stainless steel, smooth PU, metal, and durable cardboard materials. • Includes a 500ml double-wall stainless steel water bottle. • Helps maintain beverage temperature for longer periods. • Features a smooth PU hardcover notebook with an elastic fastening band. • Notebook contains 80 lined pages. • Notebook size: 21 cm. • Water bottle size: 27.5 cm. • Includes a premium metal ballpoint pen. • Pen size: 13.5 cm.