Therm-ic Heat templates set + Bluetooth C-Pack 1300B batteries in black.

The Therm-ic Heat + Bluetooth C-Pack 1300B template set is a complete set of Therm-ic designed in one size and adaptable to all types of templates. Each Therm-ic heating device pack consists of a pair of wired heating elements and a pair of C-Pack batteries to place in the templates you already have. Thanks to the Insole Heat Kit, you can heat any pair of templates.Usage:The process is very easy, you only need two ultra-thin and very resistant heating elements, as well as the black adhesive outer coverings that are included in the kit. Therefore, you can give your templates a heating option and simply integrate them into any type of shoes and boots. In fact, the outer textile cover is designed to cover the top of each template and can be easily cut to the size of the existing template.