its openings.
Why Coffee Cup Lids Have More Than One Opening
A takeaway lid may have several small features, and they don’t all serve the same purpose.
- The drinking opening
This is the larger opening through which you sip your coffee. Some lids have a raised lip or molded channel to make drinking easier. -
The tiny vent hole
This opening allows air to move in or out as needed. By helping equalize pressure, it can reduce irregular flow while you drink. -
The lid’s rim and molded edges
The rim helps
