3 Hours Heat Preservation 

The water injection amount should NOT more than 3/4.The heat will keep for about 3 hours at room temperature. Extra long hot water bottle with cover is super suitable for heating your bed, the length is longer than traditional one, the heated area is larger. Warm your body in the cold winter.

Super Soft And Warm Cover

 The cover is made of 100% plush fabric, it feels comfortable, smooth with better warmth retention effect, and effectively avoid burns. It is removable and washable. 

Prevent Hot Water Leaking

 Made of 100% pure natural rubber, which is soft, flexible and folding. The white lid with 5 threads fits hot water bottle long closely, and prevent leaking. Please tighten the stopper, you can turn upside down to ensure no leaking. Please be careful and avoid getting scalded.