Precise ink control, good ink flow, even and smooth ink output, smooth writing and not easy to bleed ink. The interior of the refill is designed with a replaceable core, making it easy to replace and more economical to reduce the consumption of the pen case. The refill is easy to replace and is economical and practical. The pen barrel is made of silicone, which is resistant to pressure and better writing. The 0.5mm full syringe nib provides smooth writing and even ink output. Neutral pen is easy to carry, cheap, easy to replace refills and lasts longer. Combines the advantages of both water pens and ballpoint pens, comfortable to write with and does not melt easily when exposed to water. Measuring 8.66 inches, this custom light changing bell orchid silicone gel pen. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: Sleek design, durable build, easy to grip.