Easy to use: wide mouth design, convenient and quick water filling, grooves to prevent leakage, spiral leak-proof cover, not easy to leak. Note, please do not directly inject boiling water to prevent scalding. The water volume cannot exceed 2/3 of the capacity of the hot water bottle

Hot water bag works great for pain relieving, arthritis, sports injuries and period cramps. Hot therapy helps to relax your tired muscles and tensed shoulders from stress and too much workout. it also works as an excellent cold pack for kids with fever or to reduce swelling for minor injuries. Non-electric and travel-friendly, you can use them at home, in the dorm and during travel.

Other uses: In the cold winter, we can protect our hands, feet and abdomen indoors, and outdoor activities are also a good choice for warmth. When muscle aches, arthritis, neck stiffness, shoulders, knees, menstrual cramps, hot or cold water can be injected as needed to relieve pain.

Product description: Thickened rubber material enhances warmth retention, and can also be used as an ice pack and cold water bottle. The first time you use it, there may be a little peculiar smell, you can put it in water for several hours to remove the peculiar smell. It should be replaced after two years of use, and the wear of the plug should be checked regularly.

Antiskid protection: rubber hot water bottle, diagonal stripe design, non-slip and anti-scald. Cleaning is also very convenient.