Brand new, unused Gently warms your neck and keeps you toasty! Warms up in about 10 seconds Just press the button! Surface temperature 50°C ECO-friendly, reusable, economical Fishing, walking, jogging, sports ▼How to use Press the internal metal button until you hear a click. Solidification begins inside. Warms up in about 10 seconds. Duration: about 60 minutes Surface temperature: about 50°C Size: Inner diameter approx. 10cm M size Outer diameter approx. 14cm #Warm G #Neck Warmer #Warm Neck Ring #Warm Ring #Instant Warmth #Cold Weather Gear #Fishing #Winter Walks #Jogging #Going out in cold weather #Travel #Outdoor #300 yen