Does the NARWHAL Speaker Lid fit all 30oz & 20oz stainless steel tumbler cups?

No...but it fits most standard tumbler cups.  However, it does not fit on tumblers or mugs with screw-tops.

How do you wash the NARWHAL Speaker Lid?
The NARWHAL Speaker Lid is IPX6 water resistant which enables it to sprayed directly with water. The NARWHAL Speaker Lid is HAND WASH ONLY and submerging it under water should be avoided.  

For slider cleaning: Move slider to closed position, turn the NARWHAL Speaker Lid upside down and use an object like a steel straw to pop the slider off.

Can you sync a 30oz and a 20oz together? Yes you can!

Will having a NARWHAL Speaker Lid or NARWHAL swag make me more cool?

After countless hours and vigorous testing, we are certain that embracing the NARWHAL lifestyle will raise your game socially, professionally, and romantically. This is NARWHAL's guarantee to you.

I lost my instruction manual.  Do you have another copy?

Absolutely, click here.