"Warm Neck Nukunuku Sheet, Unscented (5 sheets)" Nissho Model Number: 4570084523246 Comfortable temperature lasts for about 5 hours just by wrapping it around your neck. The special shape warms the back of the neck widely. [Brand] RELAXING MOON [Product Name] Warm Neck Nukunuku Sheet [Type] Neck warmer [Temperature] Approximately 42°C (comfortable temperature) [Duration] Approximately 5 hours Although it is unused, please purchase only if you understand that it has been stored at home. The box will be folded and included. Thank you.