100% Polyester Made In China 【Double Switch & Three Temp Settings】: The dual control switch of heated jacket can independently control the front and back of the heating vest, one switch controls the heating area in the front of the vest, and the other controls the heating area at the back of the vest. The heated vest has three temperature modes on both switches that can be adjusted (low/medium/high).You can set to your desired temperature and heating zone according to indoor and