The Beast 20 oz. and 30 oz. Tumblers have a lifetime warranty and a 100% satisfaction guarantee. If you don't love the way our double-wall vacuum insulation keeps your hot drinks hot and cold drinks cold; we'll refund your money. Our stainless steel cups are made of 18/8 food grade stainless steel.

  • Available in 2 sizes and 8 colors and dishwasher safe!

" I love my 30 oz. Tumblers! I use it mainly for water. The water stays cold all day and if I put ice in it, the ice is still there the following day. "

10% off Tumblers Bundles!

  • ★ EXCLUSIVE BONUS BEAST BUNDLE - 2 unbreakable steel straws, a straw brush & 1 splash proof lid in a beautiful Gift Box. We have set ourselves apart from the second-rate tumblers available on the market!
  • #1 INSULATION & TEMPERATURE RETENTION - Over engineered and tested against Yeti and others. Our Tumblers match performance and with our spill-proof closable lid you can keep your drinks insulated and protected for longer!
  • #1 PREMIUM QUALITY - Other steel tumblers out there may use a cheaper 201 steel finish; we’ve cut no corners! Made only from the Highest Quality Premium 304 18/8 Food Grade Stainless Steel.
  • #1 SUPERIOR FINISHING INSIDE & OUT – Your tumbler has a sweat-free design and electro-polished interior will ensure your cups remain pure and rust-free, imparting NO unwanted flavors, giving you a clean tasting drink every time!
  • #1 LIFETIME GUARANTEE & 100% SATISFACTION - Yes! All Greens Steel Products come with a LIFETIME GUARANTEE! 100% Satisfaction or your money back.