Which Hot Water Bottle Is Best for You?
You can store warm water in a Hot Water Bottle or a rubber or thermoplastic bottle with a hollow inside. A screw-on cover is employed to seal off the water from the air.
The insulating characteristics of the rubber or thermoplastic bottle delay the rate at which the hot water cools down. Instead, the heat can only leave gradually via the bottle and travels by convection to the surrounding space outside, resulting in a slow and steady heating effect on the user.
Which hot water bottle is best for you?