We tried coffee tumblers from the biggest brands to finally settle the Stanley vs. YETI debate. Here's what we learned.

Often referred to as a 'must-have' product the Stanley cup ... superior", said Rachel. "As a coffee fiend, I'm a loyal user of its Aerolight Transit Travel Mug, which ticks almost every box ...

A few minuscule grounds snuck into the mug—something ... in all my cooking gear. No coffee filter needed, zero grounds in my cup and it’s easy to clean.” The Stanley Classic Perfect Brew ...