Terms & Conditions.
Warmers heat up after being plugged into a USB outlet. One size fits most: up to men's shoe size 13 or women's shoe size 15. Cord length 57". Compatibility: PC, Mac, Linux, any USB-enabled device that can handle 5V, 3W with 1.5M USB line. Not suitable for children under 6.
Enjoy 10% off your first order*