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(Safe and Heat Retention) The hot water bottle is made of soft PVC material, and can be combined with a safe and tight seal. Made of flexible, high temperature resistance, heat retention, anti-aging, safe and non-toxic materials, so there is no electricity required, and difficult to dry your skin. Perfect for winter, Christmas, New Year gift, or for friends, relatives, and the elderly. 【Multifunctional Hot Water Bottle】The hot water bottle can be used alone to treat pain, pain, pain, muscle pain, menstrual pain, tension (resting pain), and sports disorders. In addition to traditional thermal therapy, it can also prevent cold moisture for children with heatstroke or swelling of light injuries. (Do not heat in microwave) 【Easy to use】Cool boiling water a little before pouring (do not use hot water). Add 2/3 of water slowly Slowly discharge trapped air and tighten the cover to ensure no leakage before use. Recommended Usage & No Electricity Required: Easy to use, no electricity or direct flame required, and you can easily enjoy warmth. Because it does not take up much space, you can use it not only for yes, but also on the go or at work. In the cold winter, the warm water bottle will keep you warm. 【Long Lasting Warmth】 Comes with a soft removable knit cover to keep hot water out and keep the effect of 6-8 hours. It also protects the hot water bottle from impact and dirt. A thoughtful gift for Mothers Day, Thanksgiving, Christmas, New Years Day to your mother, father, children, friends, and loved ones. Specifications: Capacity: 2L Product Size: 8.7 x 13.4 inches (22 x 34 cm); Jacket Weight: 2.2 oz (60 g); Inner Weight: 11.8 oz (324 g); Package Includes: 1 x Hot Water Bottle, 1 x Protective Bag