We prewash and machine dry all cotton fabric before cutting and sewing in order to pre-shrink. Garments should always be washed with like colors. Cotton garments can be machine washed and machine dried. However, as with all garments, line drying your dress, rather than tumble-drying, will increase its lifespan, as it is gentler on the fibers. Line drying is also better for our planet by reducing CO2 emissions. Colored clothing should be dried in the shade to prevent fading. A warm iron may be necessary to remove wrinkles.