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Marcus & Marcus double-sided sealing discs convert our PPSU and silicone feeding bottles to breastmilk storage container and milk powder container when on the go.
To use with Marcus & Marcus collar, your precious breastmilk is stored without leaking. You can write the date of expressing or freezing on the sealing disc, make organizing your breastmilk easy. When on the go, keep the milk powder inside the feeding bottle by simply using the other side of the sealing disc along with the feeding nipple and the cap.