Self Heating Insole for Men and Women To Walk. Sole Self Heating Foot Warmer. Heating Foot Warmer for Autumn and Winter

Men's and women's self heating insoles, lasting for 10 hours with a temperature of up to 50. ℃, and a shelf life of 3 years. Warm foot patches with left and right foot design, thickness 3mm, comfortable shock absorption, not touching the feet, suitable for various foot types, warm feet, suitable for indoor and outdoor walking. size: 35-39：Length 23.00 cm 40-44: Length 25.00 cm