All natural cheese. Aged over 60 days. Since 1926. Good source of calcium. Thank you for choosing Crystal Farms. Providing you and your family with great tasting cheese at a great value has been our commitment since 1926. Reuben Roll-Ups. Spread flour tortilla with Thousand Island dressing. Top with shaved corned beef, sauerkraut and a slice of Crystal Farms Swiss cheese. Microwave or broil to melt cheese. Roll up to tortilla. Your comments welcomed 1-800-672-8260. Find great recipes at crystalfarmscheese.com.