- Extra-long hot water bottle, 73 cm in length and 2-liter capacity, perfect for warming large areas such as neck, shoulders, back, and legs - Made from eco-friendly natural rubber, heat-resistant and recyclable, with a fine texture for safe and comfortable contact with the skin - Includes a soft plush cover that distributes heat evenly and a foldable funnel for easy filling - Maintains temperature for 6-8 hours, ideal for relieving muscle, menstrual, or back pain, or simply for keeping warm on cold nights - Wide neck for easy filling and to prevent burns when pouring hot water - Recommended not to fill with boiling water, let it cool for 1-2 minutes before use - Ergonomic design and elegant gray color, suitable for home use and as a gift