SmoothSip® Slider Custom

Took this on a bumpy train ride and not a single drop escaped the lid. The insulation kept my coffee piping hot for over two hours, which was a pleasant surprise.

The slider lid really is leakproof—I tossed it in my bag upside down and not a drop escaped. Plus, my coffee stayed hot for hours during my morning commute. Definitely getting my money's worth out of this cup.

The slider lid really does live up to its "tight lipped" promise—I've tossed this in my bag without a single drop. Keeps my morning coffee hot for hours, which is a lifesaver on long work days.

Finally got this for my morning commute, and the slider lid really is leakproof—I’ve tossed it in my bag with no spills. The insulation keeps my coffee hot for hours, which is a total game-changer for slow sippers like me.

I toss this in my bag every morning with zero worry about coffee soaking my papers, and the lid keeps it hot for hours. The slider moves easily with one thumb, even when I'm half-awake.

The slider lid really is leakproof — I tossed it sideways in my bag and not a drop escaped. Plus my morning coffee stays hot for hours, which is a game-changer for slow sippers. This is exactly what my commute needed.

I was a little skeptical about the "leakproof" claim, but after tipping it sideways in my bag twice now, not a single drop escaped. The slider mechanism snaps shut with a satisfying click, and my morning coffee stays hot for hours.

The thermal insulation is seriously good—my coffee was still steaming two hours after I poured it. The leakproof slider gives me peace of mind tossing it in my bag.

The slider mechanism clicks shut so confidently that I never worry about leaks in my bag. It actually keeps my tea hot for the full hour it took me to finish it during a morning commute.

I take this lid everywhere now—the slider really does stay shut, even when the mug tips over in my bag. Keeps my coffee hot for hours without a single drip.