Ello’s travel mug solves the most annoying problem with commuter cups: the lid. The patented slider mechanism creates an interior seal that actually holds. No leaks, no dribbles, no coffee on your shirt. The lid clicks shut with a satisfying feel, and it stays shut even when tossed into a bag.

The vacuum-insulated stainless steel body keeps coffee hot for about five hours. Cold drinks stay cold for up to ten. That’s enough for a morning commute plus a few hours at a desk. The 18-ounce capacity holds a standard coffee shop order without needing a refill. The cork composite coaster on the bottom protects surfaces from condensation and fits into most car cup holders with its 2.9-inch base.

Cleaning is straightforward. The lid is top-rack dishwasher safe. The body should be hand-washed to maintain the matte finish. All parts are BPA-free. The only real limitation is that the sliding lid, while secure, requires two hands to open cleanly. Not a dealbreaker, but worth noting if you’re often driving one-handed.