HERO | Calligraphy Suitable Non-erasable Thermal Waterproof Quick Drying Ink Black/Blue-black/Red Cartridge

Easy to Use With its easy-to-inject design, this ink cartridge is simple to refill, saving you time and effort.

Quick-Drying Formula The ink dries quickly, ensuring that your writing doesn't smudge or blur, making it ideal for both students and professionals.

Water-Resistant The ink is water-resistant, preventing it from fading or running when exposed to water, ensuring your documents remain clear and legible.

Suitable for Various Users Whether you're a student, teacher, or business professional, this ink is suitable for all, making it a versatile choice for your writing needs.

Non-Carbon Ink Made from non-carbon ink, this product is environmentally friendly and safe for everyday use.