Purchased from Amazon. I am selling it because I stopped using it after a few times. Please refer to the product description below. [2023 Latest Model Hot Water Bottle & Many Ways to Use] Our hot water bottle is designed with a new, slender shape that can meet various needs. It's an eco-friendly hot water bottle. Not only can it warm your hands, but it can also gently warm your abdomen, feet, lower back, knees, and shoulders. It can also relieve menstrual pain. The long type is very convenient as it can be used on any part of the body. It is especially recommended for office workers and the elderly who are sensitive to air conditioning. It is also very popular as a gift in the cold winter. [Fluffy Cover & Long-lasting Warmth] Our eco-friendly hot water bottle comes with a special cover to prevent low-temperature burns and increase heat retention. And even if the cover gets dirty, you can wash it to keep it clean. When used on the abdomen or lower back, it can be used for about 4-5 hours. If you tie the belt, your body will gradually warm up just by placing it. When used inside a futon, it can keep the warmth for about 8 hours. This long-lasting warmth will stay with you throughout the cold winter nights. [Reusable & Comfortable Knit Cover] This hot water bottle can be used repeatedly by simply pouring hot water, no electricity required, saving energy and being environmentally friendly. If you put cold water instead of hot water, it can also be used as a water pillow. It is also easy to clean, and the flexible cover keeps the warmth for a long time. With excellent heat retention, is this cute hot water bottle the best choice as a gift for this cold winter? [Safe, Odorless, Non-Toxic & Recommended Uses] This hot water bottle is made of soft, highly heat-retaining, and degradation-resistant PVC material, making it safe, odorless, and non-toxic. It becomes very compact when the hot water is drained, making it easy to carry, so it can be used at home, in the office, or outdoors. It provides excellent heat retention, and is this cute hot water bottle the best gift for parents, family, and friends in the cold winter? [Product Specifications & Japanese Instruction Manual Included] The size of this hot water bottle is 72cm x 12cm, and the capacity is 2L, which is a sufficient large capacity. The heat resistance is 100°C, and the cold resistance is -20°C. It would be the best Christmas present for friends and close friends who are sensitive to cold. A Japanese instruction manual is included, making it easy to understand how to use it at a glance. Also, if you have any problems during use, please feel free to contact us.