Peer Reviews
Types of Blood Gel Pens (Pack of 6)
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Did you know that not all blood is red? While most vertebrates (like humans) have red blood, octopuses and crustaceans have blue blood, leeches and some segmented worms have light green, lizards have green, some marine worms have violet, and sea cucumbers and some beetles have yellow! Write in the rainbow of blood colors with this gel pen 6-pack.
.7 mm tips
Each pack contains 6 unique colors:
Hemoglobin
Hemocyanin
Chlorocruorin
Hemerythrin
Vanabin
Biliverdin
100% Recycled Ocean-Bound Plastic
Carbon Neutral Shipping & Operations
Compostable Packaging
These pen packs celebrate the colors of our planet, our bodies, chemistry, and natural science. Each set is a unique palette built to to inspire beautiful note-taking and elegant journaling.
| Ink Type | Gel Ink |
| Pen Type | Roller Ball |
| Material | 100% Recycled Plastic |
| Origin | Designed in Oregon Imported |
Learn more about using black paper here.
USA
Flat Rate $7.95
Orders $40+ ship for free
Expedited service available
International
Shipping is available to most countries. See details at checkout.
If you're shipping to Europe, Asia, the Middle East, or Oceania, please check out our European website for lower shipping rates and quicker delivery times.
Frequently Asked Questions
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When your order arrives, open it up and take a look. If anything isn't as expected, got damaged in transit, or doesn't fit properly, let us know and we'll make it right.
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Shipping is available to most countries. Simply select your country at checkout.
Shipping FAQIf you're shipping to Europe, please check out our EU website for lower shipping rates and quicker delivery times.
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We do our best to process and pack up orders within 1-2 business days. You will know your order has shipped when you receive tracking
information. Typically orders arrive within 1-8 days (depending on where you live) expedited shipping options are available at checkout. -
No problem! We offer full and partial refunds and exchanges. Read more here.
Further Research
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