Radical Glow Beads glow extremely bright in their own colors: natural green, glacier blue, chartreuse, radical red and powerful pink. For drift fishing and in spinners, use Radical Glow when you want your bait and lures to be seen. The Radical Glow UV Beads are a technology breakthrough. The first beads that have a daytime color that matches the color radiated in the water column. We offer the Radical Glow UV Beads in four sizes: 4mm, 5mm, 6mm and 8mm in five excellent UV colors. Quantities vary, see chart below.