Luminescent lamp cord - Glow in the Dark Color: champagne Diameter: 2.5-3mm Weight / meters: 3.3 g Material: Polyester - filament tested according to DIN 67510 Activated by daylight or artificial light glows in the dark by the cords. The fluorescent pigment is permanently embedded into the fiber and does not peel off. The charge can be repeated as often without the effect wears off. The light effect creates a soft, greenish hue. The Nachleuchtpigment stores the incoming energy from daylight or artificial light (activation) and these are in the dark in visible light decreases (emission). It is a purely physical process that is repeated indefinitely. It will never conceded unprecedented lighting effects. The yarn is machine washable, absolutely free of radioactivity and is non-toxic, certified according to Oeko-Tex 100, product class 1 (baby), ideal for diverse applications. And persistence - strength depends mainly on the light conditions at from activation and usage. The activation is best with short wavelength light (sunlight or UV light with a high - share) achieved. The cord is hollow, with a little skill can eg a wire can be pulled through the cord to form lettering or the like. The afterglow cord can be cut with a hot cutter, or the ends are welded together, so that this does not separates. - The meter -