Planet Waves' Cellu-Glow guitar picks put a new twist on celluloid picks. Now you can still have the natural feel and warm fat tone of celluloid in a glow-in-the-dark pick. Simply pre-charge the picks in natural sunlight or under a light bulb and you have a pick that not only sounds great but looks great too. The Cellu-Glow picks add a new visual element to your playing and are also easy to find on dark stages.Available in light, medium, heavy, and extra heavy.D'Addario Planet Waves