I have several of the Walmart ones (ozark trail) and one of the artic brands ones I cannot tell a difference between them.I have never had one of the yeti ones I refuse to pay twice as much for the same thing. I have two of the 40 ounce ones probably 5 of the 24 ounce ones and a 8 ounce ones. My only complaint is if you want your coffee in a hurry ( like I like to drink all of min on my way to work because I'm not allowed to take it in) it keeps it way to hot way too long. Here is a custom one my wife made for me (she makes the decals not the cups lol)
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