Feature:1. Soft and elastic, can be kneaded and bent at will, without deformation, skin‑friendly.2. Long‑acting temperature control is used all the year round in both cold and hot, give you the temperature you need. When cold it is a hot water bag, when hot filled with cold water into the refrigerator to change the ice bag.3. It can be heated in a microwave oven, safe and worry‑free, with a silicone material that can withstand 130°C. After filling with water, put it in the microwave for 2 minutes to avoid the trouble of frequent water changes!4. The silicone material can withstand low temperature of ‑40℃, and can be used for cold packing and physical cooling.5. Heating it for two minutes and keep warm for three hours gives you enough warmth and courage on those uncomfortable days of the month.Specification:Condition: 100% Brand New Item Type: Hot Water BottleMaterial: Silicone + PCColor: As Pictures Shown Weight: Approx. 182g/6.4ozWater Injection: 3/4 is AppropriateWater Injection Temperature: About 80℃ is AppropriateMicrowave Heating Time: No More Than 2 MinutesWide Mouth Design, Easy to Water Injection Diameter: 25mm/1inch  Easy for  Cleaning and  Water Injection, Leaving No ScaleSealed Leakproof PC Screw Cap, Waterproof Gasket, No LeakageDirections for Use1. Avoid Direct Filling of Boiling Water, Preferably Around 80℃, and Avoid Contact with Acid/alkali/grease Substances.2. 3/4 of the Water Should Be Filled, and the Combination of Hot Water Bag and Cloth Cover is Better.3. Air Shall Be Released After Water Filling. Tighten the Screw and Squeeze the Bag Body by Hand to Check Whether There is Leakage.4. Choose Mild Detergents Such As Dishwashing Liquid for Cleaning. Package List:1 x Hot Water Bottle   1 x Manual