Philadelphia Phillies 100TH Anniversary 59Fifty New Era Fitted Cap (Glow in the Dark Logo Red Grey Under Brim) Chicago Blackhawks 1987 Jacksonville Expos New Era

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Philadelphia Phillies 100TH Anniversary 59Fifty New Era Fitted Cap (Glow in the Dark Logo Red Grey Under Brim) Chicago Blackhawks 1987 Jacksonville Expos New EraPhiladelphia Phillies 100TH Anniversary 59Fifty New Era Fitted Cap in Red with Grey 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.