I upgraded my blender situation with a Ninja blender and it's awesome! It comes with TWO smoothie cups! And the S19 water bottle pocket even holds the giant one! It goes in easy, but is a hassle to remove.
Ninja and my S19-img_20191119_092600-jpg

Ninja and my S19-img_20191119_092517-jpg

FTR, my synapse is from 2018, pre pocket update.