Place these pads inside gloves and mitts for 10 hours of warmth.

These heaters require a separate temperature switch or controller to regulate heat output.

Also known as foil heaters, these bend around corners and edges without causing damage to the heating element.

Nonstandard-size containers are no problem—use the hook-and-loop closure to adjust these heaters to fit a range of diameters.

To prevent hot spots that can damage heat-sensitive materials such as adhesives, sealants, and food, these heaters warm the air around containers without touching them.