【Maintains Warmth】 The Warmer Neck Ring maintains a temperature of approximately 50°C, effectively warming the neck. It's the perfect item for the cold season. 【Comfortable Material】 Made of TPU and 100% polyester, it feels good against the skin and is comfortable even for extended use. 【Easy to Use】 Simply wrap it around your neck for easy use, and it's reusable. You can easily experience the warmth. - Product Name: Warmer Neck Ring - Color: Gray - Materials: TPU, 100% Polyester - Size: Diameter 10cm, Width 2.5cm - Temperature: Up to approximately 50°C - How to Use: Wrap around the neck - Reusable: Yes Although it is an unopened item, it has been stored at home. Please understand this before purchasing. Thank you for viewing.