The perfect solution for creative enthusiasts, S-TROUBLE Fluorescent Ink is a unique and innovative choice for fountain glass dip pens. Its vibrant fluorescent color will add an extra layer of excitement to your art, making it impossible to resist the urge to create.

This invisible ink is made with high-quality ingredients that ensure its effects are long-lasting and reliable. Whether you're looking to create artistic masterpieces or simply want to add a touch of mystery to your stationery, S-TROUBLE Fluorescent Ink is the perfect choice.

But what really sets this product apart is its ability to work in low-light environments, making it ideal for creative projects that take place under UV light. Its invisible ink will remain visible even when exposed to high-intensity fluorescent lighting, creating a truly unique and captivating effect.

With S-TROUBLE Fluorescent Ink, you can unleash your creativity and add an extra level of excitement to your artistic endeavors. This is a must-have product for any stationery enthusiast or creative artist looking to try something new and innovative.