Aged over 60 days. Aged Swiss. Deli thin. Excellent source of calcium for strong bones and bodies. Good source of protein. Contains 0g of lactose per serving. Only Kraft Cheese has the fresh-lock seal with the blue & white double-track zipper: wide seal is easy to open and reclose, double security to keep your cheese fresh-tasting, blue and white color zipper lets you know the bag is closed.