Five 180 ml containers for storing breast milk safely, with a spill-proof lid. Extract, store and feed breast milk effectively to your baby. Sterilise and reuse the storage container together with the Philips Avent pump or teats - one system, many options! They have an airtight lid for safe storage and transportation. You can write on the cups and lids for easy identification of dates and contents. Easy to use and clean. Stackable cups and lids for tidy storage in the fridge or freezer. Can be safely used in the bottle warmer, microwave, dishwasher and steriliser. BPA free. Includes 5 x 180ml storage cups.