Philips Avent Breastmilk Storage Cup have a lid that creates a secure seal for safe storage and transport. It is perfect for tracking easy dates and contents! Specifications: Includes convenient adaptors 180ml/6oz 10 pcs Benefits and Features: Philips Avent storage cups have a lid that creates a secure seal for safe storage and transport. To track easy dates & contents An organized fridge & freezer Convenient adaptors included - For expressing and feeding. One system- many options - Compatible with Philips Avent breast pumps, Classic, Classic + and Natural teats. For use in fridge and freezer - For maximum flexibility. Easy to use and clean - Can be used safely in bottle warmer, microwave, dishwasher and sterilizer.