Technical Pen Set: This set includes ink pens, comic pens, drawing pens, and waterproof line pens, ideal for artists and hobbyists. Material: The architectural design drawing fountain pen is made from high-quality materials to ensure durability and long-lasting use. Product Size: The packaging measures 20 cm x 15 cm (7.87 in x 5.91 in), making it compact and portable. Package Includes: 1 complete set of premium drawing pens. Versatile Use: These technical drawing pens are suitable for various art applications, including comics, sketching, and illustration. The waterproof ink makes them suitable for a wide range of projects and artistic techniques. Specifications: Material: PP Package Size: 20 cm x 15 cm (7.87 in x 5.91 in) Package Includes: 1 set of technical drawing pens Note: Slight variations in measurements may occur due to manual measurement and differences in display screens.