You are correct. That RIC is a good way to know whether your local waste management system can accept the item. GP is also correct, in that this RIC could have

You are correct. That RIC is a good way to know whether your local waste management system can accept the item. GP is also correct, in that this RIC could have been a number surrounded by (say) a circle, a square, or a pentagon -- but instead, the manufacturers of plastic deliberately chose a triangle, *because it looks very much like the official "this is recyclable" symbol* as a calculated tactic to rely on people being misled by this similarity. If most people understood how little of their plastic is actually recyclable, they might re-examine what they buy, and how often.