Dianshi Space Capsule Retractable Fountain Pen, Small Capsule Door for Third Grade Elementary School Students' Homework, Back-To Season Handwriting Practice, Fine Nib, No Ink Spatter, 7158 (Light Blue Barrel - Black Ink Cartridge), 1 Pen with 5 Ink Cartridges

Dian Shi brand ink sac for smoother writing, erasable blue and erasable navy blue, not erasable black.

Dian Shi brand pen-making, model DS-1784, suitable for ballpoint pens.

Dian Shi brand push-button pen special ink sac, erasable magic liquid, multiple colors available, easy installation, new product, available in packs of 5 or 20, small box or rocket pack options.

Dian Shi brand pen-making specializing in pens, model DS-7158, push-button ballpoint pen, non-drying, non-leaking, non-splattering ink, with a small cabin door design.

Dian Shi brand push-button ballpoint pen highly recommended for its long-lasting ink flow and excellent air tightness.

Dian Shi push-button ballpoint pens are of exceptional quality, featuring a unique starry sky design with transparent colored pen barrels in blue, navy blue, black, clear, and green.

Dian Shi DS-7158 push-button ballpoint pen with cabin door design, sealed structure, non-splattering ink, direct liquid adjustment system, suitable for students with its ergonomic design and fine pen tip.

Dian Shi push-button ballpoint pen special ink sacs are cost-effective and easy to install, suitable for various occasions.