The Whirlpool WPW10139457 Dryer Door Seal forms a barrier around the dryer door to reduce warm air leakage during drying cycles. Installed along the door opening, it creates a fitted contact surface when the door closes, supporting proper closure and airflow within the drum. A worn, cracked, or damaged seal may allow warm air to escape and reduce drying efficiency. Replacing the fault... https://www.partsmelange.ca/whirlpool-wpw10139457-door-seal-for-dryer