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If the thought of a lukewarm drink turns your stomach, then you shouldn’t be drinking out of regular cups and glasses. Instead, you should invest in a Greens Steel Beast cup while they’re on super sale right now. Right now, the 20-ounce tumbler, 30-ounce tumbler and 40-ounce tumbler are all on sale for up to 29% off.

Beast 20-Ounce Tumbler Stainless Steel Vacuum Insulated Coffee Ice Cup$18 (Orig. $29)

$18 $29.99 at Amazon

Beast 30-Ounce Tumbler Stainless Steel Vacuum Insulated Coffee Ice Cup$20.50 (Orig. $35)

$20.50 $35 at Amazon

Beast 40-Ounce Tumbler Stainless Steel Vacuum Insulated Coffee Ice Cup$23 (Orig. $40)

$23 $40 at Amazon

If you can believe it, all three sizes of the Beast Tumbler Ice Cup have more than 65,000 ratings — and shoppers give them all 4.7 out of 5 stars, too. They’re so wildly popular that they don’t get marked down often, so this is your chance to score one for less.

Wondering what makes the Beast Tumbler Ice Cup so special? Not only does each cup come with a protective lid, two reusable straws and a brush to keep the straws clean, but the cup itself is made from the highest-quality premium food-grade stainless steel available. This means that