Convenient bottle to save neither of frozen, refrigerated corresponding Medela breast milk bottle has all of Medela, Inc. fence milk unit and compatibility, Both of refrigerated storage is a handy bottle to save that support. [Capacity: 150ml] ● breast milk, you need to save in a different container for each of the fence milk. ※ For example: If you milk rather than around 1 day 3, you will need three bottles. [You must be multiple of the bottle in the fence milk unit of double-pump] ● can be used repeatedly, it is a storage product that does not take more than time and effort to transferring to the back. [Cap also comes with number of minutes]