A normal hot water bag

Product description: Hot water bottle, made of natural rubber, the bottle is flexible and takes the shape of the body, fill the bottle with warm or cold water and place it on the affected area for 10 to 15 minutes per hour, the bottle capacity is 2 liters and has a ribbed texture. Usage instructions: Heat and cold are the most common types of non-invasive natural treatments that are non-addictive and do not harm the body, and heat and cold can be used alternately, open the bottle cap and fill it with hot or cold water as needed and close it tightly, check the temperature with your hand then place it on the pain site. Warnings and precautions: Always use heat and cold agents carefully to avoid hot water leakage that may harm your skin, and it is recommended to seek advice from a healthcare professional before use.