Anyone can benefit from using otlonpe hot water bottle from athletes to everyday people both young and old. Everyday people can use it to relieve minor aches and pains, muscle recovery and sports injuries and drive away the winter cold.

Fill this bottle up with cold water and crushed ice, and it becomes a cold water bottle. Treat yourself whether you need to feel warmth or coldness. The bottle is portable to use at work, home or travel with it on the go

Not only warms your body but warms your 'heart' in chilly winter. It chase away the cold winter, you, friends and family will experience the soothing comfort of the heating pad.

Tips:

• The water injection volume should be less than 80%;
• The optimum water temperature is 90°F (195t°C)
• Squeeze out excess air before tightening the cap