Kirkland Signature Ultra-Pasteurized Lactose-Free Milk (12-pack, 1 L each)This product is a 12 pack of Kirkland Signature Ultra Pasteurized Lactose Free Milk. Each carton contains 1 liter. This milk is designed for those who have lactose intolerance. It is also a good source of protein and calcium. Key features: Lactose free: Treated with the lactase enzyme to break down lactose, making it easier to digest. Ultra pasteurized: This process allows for a longer shelf life, so it can be stored in the pantry until opened.