Magnolia Pearl Supply Co. Sanforized Cotton Denim Overalls are perfect for those days you can just be yourself, no work clothes or dress codes to meet. Put these on and transform your self into a piece of art. Absolutely love the vintage Railroad striped denim overalls. Express yourself. Magnolia Pearl is a state of being, art you might say. The top is a piece that you will wear once and never want to take it off.