[High-quality material]: The main material of the product is silicone, and the rotating cap can prevent hot water from leaking. Using high-temperature pressure shaping technology, it is explosion-proof and anti-scald. Reheat in the microwave. [Small and portable]: Size, 10.3 cm x 16 cm, capacity: 300 ml, suitable for all adults and schoolchildren. Gently pour hot water, making sure that the water temperature does not change and is not too hot (below 80 ° C). pour two-thirds. A hot water bottle is best and should be kept out of reach of children and your own face when watering. 【Warm Knitted Cover】: Comfortable, beautiful, removable and washable knitted heater, can be heated in the microwave, do not pour freshly boiled water into it. 【Multipurpose】: The hot water bottle is suitable for heat therapy. For example, for cold feet, non-inflammatory joint pain, cramps, abdominal pain and menstrual cramps. Warm Gift for Cold Nights: Hand warmers are ideal Christmas, birthday and New Year