Pump directly into the Breastmilk Chiller storage system —no need for a fridge or bulky ice packs and plastic bottles. 20+ hours of safe chilling for 24 ounces. • Compatible with all major breast pumps • Extra-large capacity: Holds 6oz – 34oz • Inner chamber and plastic parts are dishwasher-safe • Travel friendly: TSA loves it! • FSA, HSA, and HRA approved - use your card or get reimbursed • Patented revolutionary technology Keep it for a lifetime: It's great for keeping infused beverages, wine, and any other drink cool or hot for hours wherever you go.