• "Airplane Safe" technology that prevents ink leakage due to pressure changes during flights, ideal for frequent travelers. • Uni-Ball Super Ink with an advanced formula that adheres to paper fibers, resistant to water and chemicals. • Uni-flow system that ensures a constant ink flow for a smooth and even color. • 0.8 mm tip that produces wide and clear lines, perfect for writing letters and journals. • Sleek and stylish design with a comfortable and secure grip, preventing ink stains on clothing. • Pen dimensions: 14 cm long, 1 cm wide, and 1 cm high. • Pen weight: 0.001 kg.