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1.2K ratings
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Greens Steel Beast mugs are simply awesome! Very well made, with thoughtful attention to every detail, like how the flip cap snaps into place when opened (and closed). It must have been fun to design this. The vacuum sealed double steel container keeps my drinks ice cold. I love the stainless steel used too: it is so clean. I love the Beast mugs. I’ve bought three so far. I love to share these high quality mugs as gifts.
Jim · 11 days ago
I got the 40 Oz. rainbow cup, and it's gorgeous. The pics don't do it justice. The second time I used it, horrors! I knocked it off a table, the lid popped off and everything came spilling out. I was concerned that I'd already dented it. But, it seemed entirely unaffected by the fall! This was a great outcome because I was replacing another cup I'd dropped and dented with this one. I'm so relieved that it was sturdy enough to come away unscathed!
Michele · May 28, 2026
As a personal assistant I'm constantly on the go. My Greensteel 20 oz tumbler fits perfectly into my car cup holder and it stays ice cold all day, even in the intense Texas heat. I am ordering 6 more for my client to use at her ranch. So nice to discover an excellent product!
Susan · May 24, 2026








