Important: Thread's intensity of fluorescence depends on the length of time it's been exposed to light. Glow lasts approximately 15-20 minutes depending on the length of exposure. Tests have shown NO loss of luminosity after 50 washings.
Important: Thread's intensity of fluorescence depends on the length of time it's been exposed to light. Glow lasts approximately 15-20 minutes depending on the length of exposure. Tests have shown NO loss of luminosity after 50 washings.