The handy set of 4 2oz/60ml mini pots with graduations on the sides comes with sealing lids. These is designed to collect and protect your breast milk. The pot sits in the neck of the closer to nature bottle while expressing breast milk via either the Manual Breast Pump or our New Electric Breast Pump. Take out the pot and store in the fridge or the freezer. The lid allows a date to be written on. Mum can decant from the pot into a bottle to feed directly to baby. The pot can also be used as a breast cup for mums who want to breast feed exclusively or a first tates food pot.