Features: DETACHABLE INK CARTRIDGE, EASY TO REFILL. Features sturdy metal pen clip and removable ink absorber, this piston-filled fountain pen is easily refilled by twisting the knob to extend the piston, submerging the nib in ink, then screwing the knob tight to retract the piston, drawing ink into the pen straight from ink bottle. brand new and high quality EXCELLENT GIFT. Wonderful choice for student and children who wants to practicing chinese calligraphy. for Ideal gift for girls, boys, teens, women, men, beginner, writer, pro painter, artists, teachers on Christmas, New Year, Thanksgiving, Birthday, Anniversary, Children's Day, etc. FINE NIB & MEDIUM NIB. 0.35mm fine nib or 0.5mm medium nib, choose as your for wish. Sturdy metal pen nib, anti-slip pen grip, providing you superior control; smoothly and continuously ink flow. The long well-balanced pen body allows you a comfortable writing experience. for Ideal for signature, writing practice. GRADIENT COLOR, . Unique gradient color pen body style design, fashion and eye-catching. 6 different colors for your to choose. Very suitable for calligraphy practicing, signature, writing letters/greeting cards, Chinese characters practicing, etc. PISTON DESIGN FOUNTAIN PEN. This piston-filled fountain pen is made of high-quality material, comfortable grip, write smoothly, lightweight and durable. for Ideal for student, children, adult and beginners practicing wirting. Visible window design makes it easier for you to see how much ink is remaining. Specifications: Material: Plastic Pen Nib Type: 0.38mm; 0.5mm Pen Length: Approx. 14.3cm/5.63in Color: Black＋Gray; Blue＋Purple; Blue＋Green; Blue＋Pink; Pink＋Purple; Rose Pink＋Purple; Weight: Approx. 20g Package Includes: 1 Piece Gradient Color Fountain Pen note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!