EFX Performance Glow in Dark Silicone Sport Wristband (Neon Blue, Medium/7-Inch)Our Silicone Sport Wristbands are embedded with two holograms and are made of the highest quality, non-toxic, medical grade silicone. With a great variety of colors and designs, the Silicone Sport Wristbands are our best-selling product and are worn by professional athl..