15s fast temperature rise, 360 circulation constant temperature heating, constant temperature heating, no combustion, no deformation, no damage to shoes.Do not dry dripping shoes directly.<br> ABS + PC material, compression resistance, high temperature resistance, fire resistance and flame retardancy.<br> Double sided porous heat dissipation, more heat dissipation by hot air circulation. Multiple heat dissipation holes are densely distributed on both sides of the fuselage. When heating, a circulating heating flow is formed in the shoe space, taking into account the sole and upper. Even the dead corners can be dried evenly.<br> It can be used in all seasons without shoes or idleness. It can be easily dried whether it is snow boots in winter or thin socks in summer.<br> Product color: white, pink, blue