The lightweight Delta InsulMug features a ground-breaking advance in thermal insulation: a molded non-absorbing closed-cell Thermoskin. A snug-fitting, self-draining lid allows drip-free sipping. Ideal for expeditions, camping and daily commuting.
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Finally, my camping coffee stays hot! Great, lightweight mug. Really does a great job of maintaining the temp of your beverage, hot or cold. Bulky enough that I don’t pack it, but it hangs off the pack by a D-ring. The lid fits tightly enough that it doesn’t come loose. It holds a perfect, generous amount of drink. I’m so glad I got one. 4 stars only because it takes up a fair amount of space if you were to try to pack it inside. If only there were a way to combine the insulating properties of this mug and the collapsible…
Nice but stained easily I bought this mug for a winter camping trip this January. It was nice and kept my coffee warm, comes apart for easy cleaning. I have minor two complaints which prevented it from achieving 5 stars; (1) it will dribble if you are not careful when you drink from it, and (2) it now has a brown stain on the inside. Admittedly, some of the coffee I was drinking was Irish coffee, so maybe that was the cause for the stain.
Lid doesn’t seal right. Dribble. Dribble. Dribble. Arrived with a warped lid. Never sealed enough to prevent dribbling when taking a drink from it. The second one we bought eventually did the same after using it a couple times. Seemed the hot liquid caused the lids to swell and buckle. We ended up buying a different Sea to Summit insulated mug and we are still quite happy with it. This style, however was not great.