I love the EZ flow lids! They are easier to drink from, easier to clean, and often easier to get on and off the cup or mug. I would actually like this kid to be an option to purchase with the cups. Highly recommended!

I got a swig initially because I call it my adult sippy cup. It's totally spill proof (lots of mugs are) and it's super easy to clean well (NO other mugs are!!!). That said, sometimes I'm outdoors or not in the office where it's not as critical that I don't spill all over my paperwork or something!!! I love having an Easy Flow lid for each of my cups --- even easier to clean and I can gulp my drink!!!

Got this to go on my 32oz tumbler, and it's awesome. Perfect for when I use a straw.

These lids are great for when you want to use a straw and spilling isn't a huge concern. Plus they're easy to clean.

Great lid for when you don't need or want to keep opening and closing the spout!