Lightly used during a 4 hour flight at the 4 month postpartum mark. Like new, in excellent condition!!! OG Breastmilk Chiller: there’s no need for a fridge, bulky ice packs, or single-use bags and bottles. Pump directly into the chiller and enjoy up to 20 hours of safe chilling. Compatible with all major breast pumps, and you can even use the lid for double-pumping or feeding your baby with a standard nipple assembly! Up to 20 hours of safe chilling for 27 ounces Extra-large capacity: Holds 12oz – 34oz Compatible with all major breast pumps To see if your pump needs an adapter, check out our FAQ page. Easy to use and transport Reduces risk of contamination Travel friendly: TSA loves it! FSA, HSA, and HRA reimbursable! Use your card or get reimbursed by your provider. Read the whole product guide for how-to instructions Comes with a Lifetime Warranty