Q:

What is the name of the small containers of half & half, etc.?

Does anyone know what the word/name for the small plastic cup things that contain liquids (like half and half for coffee) is?
Right now I’m using sachet because a coworker started to do so, but I’ve never heard them being called that (looked it up and apparently it's legit).
I’ve thought of packets but I feel like there might be a proper word for it. Also, what do people call it in everyday usage? I don’t drink coffee so I’ve never really had to think about it.

A:

I have heard these things called creamers, probably in reference to the non-disposable variety.

A creamer is a small pitcher or jug designed for holding cream or milk to be served with tea or coffee in the Western tradition. Creamers can be earthenware or porcelain, but also made of silver or other metals; a creamer is an obligatory part of a coffee or tea set, whether in silver or ceramics.
  -- from Wikipedia

A:

The industry appears to refer to them as both tubs and cups, often combined with the adjectival phrase portion control. Examples:

http://www.cw-usa.com/coffee-international-delight-hazelnut-creamer-cup.html 
http://www.roundeyesupply.com/Nestle-Coffee-Mate-Regular-Liquid-Creamer-Portion-p/de356761.htm

A:

At least one maker calls them singles – short for single-serving, I presume.  
That said, in that case, I'd say single refers to the name of the product, not the container.  However, I might call it a single-sized creamer, or a disposable creamer.
As for a generic name of the container itself, I'm not sure if there's a formal name for a cup that small. In the case where they are filled with cream, flavored cream, or half-and-half, creamer cup could work.  Typing that term into Google images returns several variants:

However, if a company were to put, say, soy sauce in the same container, I don't think creamer cup would be apt for that.

