Thoroughly washed. Preservative free. All natural. Salad Guide: taste = 3 (mild to bold); texture = 1 (tender). Pairs well with poppy seed dressing, sliced fresh strawberries, whole blueberries, and toasted walnut halves. Superfood for you immunity. Dole Spinach is a superfood for your immune system. Spinach contains vitamins A and C as well as antioxidant phytonutrients which all help support a healthy immune system. For more than 100 years, Dole has been committed to our environment, our employees and the communities in which we operate. Produce of USA.