Two sets of the same product Thank you very much for viewing. Popular product ☆★On sale!★☆ Brand new, unused, and free shipping. Instant purchase is OK. I will respond sincerely, so thank you. Hot water bottle, cold protection goods, eco-friendly hot water bottle, temperature display, safety, foot cold対策, fatigue relief, ideal for menstruation [New Fall/Winter Product]: On cold winter nights, placing a hot water bottle on your stomach or lower back will gently warm your body. I hope to warm everyone's entire winter. It doesn't require electricity, and it doesn't dry out the air, making it gentle on the body and nature. It's a popular soft hot water bottle now. The hot water bottle bottle uses PVC material and is soft enough to be bent. You can easily use it repeatedly just by putting hot water in the bottle. It doesn't use electricity, making it energy-saving and eco-friendly, which is also the charm of a hot water bottle. [Latest Temperature Display Hot Water Bottle] This hot water bottle uses a smart cap with a temperature display. You can check the data in real time, and the smart cap has three display modes: low temperature, medium temperature, and high temperature. More precise temperature control for greater safety! [Soft and Warm Cover] To prevent low-temperature burns, attaching a dedicated cover also has the effect of increasing heat retention. The cover can be removed and washed, so you can always use it cleanly. [Long-lasting Heat Retention] It can maintain a gentle, comfortable warmth for about 10 hours in a futon and about 5-6 hours when applied to the stomach or lower back. When applied to the stomach or lower back, your body will gradually warm up. It can relieve menstrual pain and can also be used to preheat quilts. It can also be applied to first aid for injuries and heat cold treatment. It can be used for hands, feet, and abdomen, which is very convenient. [Recommended Uses] (For cold sensitivity, cold relief, gifts, presents, Christmas, bed, living room, sofa, men, ladies, babies, hot water bottles for children, office, nursing care, pets, cats, dogs) The flexible cover keeps the warmth for a long time. It has excellent heat retention. This hot water bottle is the best gift for a cold winter.