What's included: 2 x Hegen PCTO Wide Neck Breast Pump Adapters Description: Hegen's breast pump adapters allow you to express directly into Hegen bottles. Express, store, and feed within a single container with no wasteful transfer of milk necessary! Simply swap adapters with our storage lids or feeding collars to store or feed. Hegen breast pump adapters are compatible with most leading electric and manual breast pumps on the market. Make every drop count with Hegen. Features: Express directly into Hegen bottles. Hegen adapters are compatible with most leading manual and electric breast pumps. Fits all Hegen bottles. Express, Store, and Feed within a single container. No wasteful transfer of milk necessary. Protects precious nutrients from oxidation and keeps breastmilk fresh. Minimizes spillage and wastage. BPA-free. Safe in sterilizers, warmers, dishwashers, microwaves, boiling water and freezers.