My son has no problem with the nipple part and switching g between breast and little.

My son has no problem with the nipple part and switching g between breast and little.  Read Less

Glass works much better than the plastic for me.

Glass works much better than the plastic for me.  Read Less

In fact none of my 3 children had issues with the avent nipple and switching back and forth between breast and bottle.

In fact none of my 3 children had issues with the avent nipple and switching back and forth between breast and bottle.  Read Less

I still use the advice about lining up the air vent with the notches in the lid but honestly i don't know if this would matter.

I still use the advice about lining up the air vent with the notches in the lid but honestly i don't know if this would matter.  Read Less

Not to mention when you warm the bottles we don't have to worry about plastic leaching into the milk.

Not to mention when you warm the bottles we don't have to worry about plastic leaching into the milk.  Read Less

We used plastic bottles with our first 2 kiddos and if one didn't get washed right away the most awful smell would leach into the plastic.

We used plastic bottles with our first 2 kiddos and if one didn't get washed right away the most awful smell would leach into the plastic.  Read Less