Medela Breast Milk Storage Bottles are durable 150ml containers designed specifically for collecting, storing and feeding breast milk. This set includes 3 bottles with secure screw-on lids, making them perfect for expressing, storing and transporting breast milk safely. Key features: • 150ml capacity bottles (3-piece set) • Compatible with all Medela breast pumps • BPA-free materials • Clear measurement markings • Leak-proof screw-on lids • Dishwasher and microwave safe These bottles can be used directly with Medela breast pumps for collection, then safely stored in the refrigerator or freezer. The bottles feature easy-to-read volume markers and are made from high-quality, food-grade materials. The wide-neck design makes cleaning simple, while the sturdy construction ensures long-lasting durability. The bottles can be sterilized using standard methods including boiling, steam sterilization, or microwave sterilization.