Ceres Chill OG Breastmilk Chiller I used this while I was breast-feeding and traveling for work and it was amazing at keeping milk cold and very convenient. Good condition. No some discoloration in the second photo where the silicone handle was wrapped around the chiller. Up to 20 hours of safe chilling for 27 ounces Extra-large capacity: Holds 12oz – 34oz Compatible with all major breast pumps Travel friendly: TSA loves it!