The jug has enough space to make enough smoothies for my family (2 adults, 2 children). Granted the mixer is a bit noisy but it does not so long. Carrots are not a problem for the blender and that's the hardest thing I've tried so far in it. The lid holds up well sealed. If the container after using it flushes the same goes also everything clean quickly.
The little coffee beans essay is with us a little "new purpose" because we do not drink coffee, we also need to grind any beans. In a similar device but I have read that you are also promising "rub" super Parmesan can and I must say, it works great.