what are yogurt pots made from
) #5 is Polypropylene (most yogurt containers) #6 is PS-Polystyrene #7 (mixed resins) is basiclly a plastic that can't be recycled. I'm happy to say that the recycling center near me processes numbers 1-7 to safely recycle. http://www.valcorerecycling.org/affair/a...eport Abuse. The one I'm looking at right now (Dannon) is made of polypropylene. Don't know if they all are. If you look at the bottom of the container, you'll see a triangle made out of arrows with a number in the center of it. That number will tell you what type of plastic you have.