Mammoth Rover 20 oz Stainless Steel Tumbler with EBB N FLOW OUTDOORS Original Logo

The 30 oz size is just right—not too big, not too small. I use it for my morning tea and it keeps it hot till noon.

Fits perfectly in my car cupholder and the lid is leak-proof. I’ve been using it for iced tea all week.

I’ve started using this instead of my plastic shaker for protein drinks. Doesn’t smell weird, and it actually keeps it cool post-workout.

Gave this to my wife and she uses it daily now. It fits her bag easily and doesn’t leak.

One thing I can’t stand is that weird metallic flavor some tumblers give. This one doesn’t have that at all. Coffee tastes like coffee.