Gently warm your neck and shoulders and back that become cool and clicking. The radiadium warming supporter has a far-red effect that makes the core. The inner part of the supporter, with a radium print that is kneaded with radium-mineral, and the far-red effect warms up from the wick even when it is cold. The fabric stretches well both vertically and horizontally, and is lightweight to fit your body and does not shift easily, and is not too tight; 95% cotton, so it is comfortable to wear. This neck warmer warmers warm up the "Colossal Vertebrae" with the far infrared effect of radium. Just slip it on and protect it from cold air. It can also be used as an eco eco product that warms gently without using electricity or heating. The thick fabric does not show through your outerwear, so you can wear it discreetly with any outfit. It can also be easily removed and removed when it gets warmed, making it easy to adjust the temperature. ■Neck Size (Approx.): / Size laid out 8.5 inches (21.5 cm), Maximum 11.8 inches (30 cm).