Say goodbye to the 1950's breastmilk storage options! Clunky coolers, bulky bags, batteries and cords are SO yesterday. Ceres Chill keeps breastmilk or formula safe for 20+ hours with just a handful of ice! And now...you can enjoy the convenience of one full-sized 24 ounce Breastmilk Chiller and one 12 ounce Demigoddess Mini Chiller! Having two Chillers frees you up - never worry about those extra few ounces at the end of the day that don't fit in your OG Chiller. Never stress about having an epic, compact way to store a few ounces of milk while you're running errands or otherwise out of the house for a few hours. We got you!  Awesome perk of the duo: Use your OG Chiller or Demi Mini Chiller as a bottle warmer! One Chiller to chill your milk and one to warm it makes for a happy baby—road trips, long walks, and life itself just became waaay easier! Pump directly into the Chiller—no need for a fridge or bulky ice packs and plastic bottles to Chill your milk or feed your baby. It's elegant and discreet enough to take with you absolutely anywhere.   Each Duo comes with one 24 ounce Chiller and one 12 ounce Demigoddess Chiller. One bottle handle accessory for easy grab-and-go use is also included with the large chiller. PUMP AND NIPPLE ASSEMBLY NOT INCLUDED. Each Chiller is has a double-walled stainless steel body with a beautiful powder-coated or glossy exterior. Copper-lined and bismuth sealed because moms don't just deserve beautiful, they deserve the highest performance and quality. Consumer product tested and approved for child and food safety standards. Highest quality materials: BPA/BPS & DEHP free and absolutely NO lead components. Chillers include an inner chamber with cap, outer body with lid, and a versatile connecting collar with bottle and pump threads to connect your pump directly for double pumping with a hands-free bra. Compatible with all major pumps for easy double pumping.