Feature:1. BROAD OPENING DESIGN: The broad opening design of these containers allows for effortless pouring and retrieval of breastmilk, providing a practical choice for mothers.2. COMPATIBLE WITH BRANDS: With a bottle body width of 5.0cm, these containers are suitable for use with popular broad mouth brands like for NUK and for Dr. Brown's.3. SPILL PROOF LID: Equipped with a spill proof lid design, these wide neck milk storage containers securely lock in the freshness of breastmilk, guaranteeing leak proof storage.4. MULTIPURPOSE USAGE: Ideal for refrigeration, these containers are great for storing and transporting breastmilk, offering convenience for feeding your baby on the go.5. FOOD GRADE MATERIAL: Crafted from food safe plastic, these breastmilk containers are suitable for use with breastmilk and can be cleaned and reused multiple times.Specification:Item Type: Milk Storage BottlesMaterial: PlasticSize: Approx. 6 x 6.5cm / 2.4 x 2.6inCapacity: 90mlApplication: for NUK, for Dr. Brown's wide mouth bottles, and domestic electric breastpumps.Package List:9 x Milk Storage Bottles