
I ordered blue and green. These shades of blue are usually much darker than their green counterparts. But that blue was pretty darn boring unless you lit it with a UV flashlight. Green is better for the part that can glow in the dark. I would say that this is a so-so faint glow. But if you can actually charge it with good UV, it glows brightly at first and goes out after about 15 minutes. The thread prints very well. It's good.

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