The Unold water bottle hot water bottle comes in red and is ideal for general use. Its function allows for localized heating on various parts of the body, providing pain relief through vasodilation and muscle relaxation. It is a practical and effective way to relax after a tiring day or to relieve pain and muscle strain.

Some useful ways to use it include:

• Make sure the water temperature is below boiling point
• Fill the hot water bottle in an upright position, holding it by the neck
• Do not exceed 2/3 of its capacity while filling
• Gently release the hot air before securing the stopper