-Vintage UpsideDown LA Rams (New Era) Snapback -New Era 9Fifty Snapback -color: Black Glow in the Dark Embroidery Machine Thread: A special thread which will glow in the dark after exposing to the natural or artificial light. Exposing the thread to light about 20 mins will keep it glow in dark about 3 hrs. The light will be more weak & weak as time goes by. Because the power is getting less & less, then it need to be charged more light again to glow well. Glow in The Dark Vintage Upsidedown La Rams | New Era Snapback