Soft hot and cold water bottle. High quality material: Made of high quality materials, it is very durable. Hot water bottles are used to provide warmth and for the local application of heat to relieve pain and discomfort. After a fantastic workout evening at the gym, you may feel exhausted and eventually feeling some pain in your muscles. In a cold winter night, it may seem difficult for you to warm up, but you can always use the heat of your hot water bottle that makes your bed smoother and more comfortable. , , Bone pain, Neck Pain, Muscle Pain reliefs 1 Litter Capacity rubber bag. Works as water heating pad in treating pain relief, such as sore muscles, stress or cramps, arthritis, aches and pains, stiff necks, lower back pain, menstrual cramps and other common aches. In addition, it can be applied as a cold compress for kids & adults with fever, or to reduce swelling for minor injuries. Essential gifts for Christmas. Hot water bottle for cramps.