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Florida Marlins 2003 World Series New Era 59Fifty Fitted Hat (Glow in the Dark Logo Navy Mint Under brim) Size:8 New Jersey State New EraFlorida Marlins 2003 World Series New Era 59Fifty Fitted Hat in Navy & Mint Under brim. Logo: Glow in the Dark How to make Logo Glow in the Dark: Simply Expose Logo to Sunlight (or bright light) for at least one full minute to activate the green phosphorescent glow. The longer it is exposed, the longer and brighter the afterglow will be.