More gentle and smooth liquid, fluent writing Open the pen by evolving, and it writes smoothly with black ink, and will not leave any dry spots. And this pen's liquid is different from other liquid sand pens. This pen's liquid has a smoother liquid oil number, and the gold foil is smoother inside, which can float very smoothly from top to bottom inside. These chic writing instruments are perfect for the guest book table at weddings, showers, parties, or anywhere a guest book is needed. Perfect for school, office, family usewedding decor How to use the pen? Twist/ rotate the pen tip part. The pen point will reach out and be fixed. The pen tip will not retreat or sink back into the pen shell during writing. When you finish writing, just rotate it towards another direction. The pen tip will be unlocked and retract into the pen shell. How to replace the ink cartridge? Just 3 steps. 1.Pull apart the pen shaft from the middle; 2.Unscrew the grooved black end of the ink cartridge; 3.Screw a refill in. Specifications: Size: 5.5 in x 0.35 in Material: Metal Color: Rose Gold Ink Color: Black Weight: 0.22 pounds Package Include: 1 X Rose Gold Ballpoint Pens 2 X Black Ink Refills