TILUCK 12 oz Insulated Coffee Mug with Lid, Double Wall Vacuum Insulated Travel Mug Cup with Handle for Hot or Cold Drinks（12oz，Matte LightPurple） Review Analysis

"this mug has a major flaw. The flaw is insulation. It did the worst job at keeping liquids hot."

"will turn your drink into room temperature very quickly"

"Even though it's advertised as leak-proof, water came out of the drinking flap when I shook it right side up, and even more came out when I turned it upside down and tipped it over."

"It will probably be more likely to leak"

"When I dropped it on the concrete, the plastic lid cracked pretty badly. It's the only mug that suffered real functional damage from the drop."

"the lid popped off both times and the magnetic slider flew off when it hit the ground."

"the lid is overly complicated. It has six separate pieces, including three gaskets, and taking it apart and putting it back together correctly is a hassle."

"Lots of insulated tumblers' lids essentially can't be cleaned properly"

"Each time I tried to open it, it felt completely locked in place, even though I didn't overtighten it. Something about the design seems to create a vacuum seal that's almost impossible to break."

"The vent must be open first to properly seed the seal around top, then close creating vacuum seal"

"you can't open it easily with one hand."

"Zojirushi designed some of their mugs exactly for people to be able to open and close with one hand."