Whether you're looking for a gift for you (we love a "to me, from me" moment") OR an expecting mom in your life, this bundle will free you up to go where you want, when you want, without compromise— for 20 hours at a time. 24 oz comes with a complete product guide with detailed instructions An extra Inner Chamber for convenience and extra capacity A food-grade silicone handle to ensure this Chiller is truly grab-and-go ready (only available with OG Chillers) With the OG Breastmilk Chiller, there’s no need for a fridge, bulky ice packs.