20 oz. Color and Stainless Tumbler


20 oz. Mammoth Rover double wall vacuum insulated stainless steel tumbler with lid and rubber stopper.  Will keep your drink HOT or COLD longer.  Order yours today!



The Mammoth Rover 20 oz. tumbler is the ultimate way to take your favorite beverage on the go. The double-walled vacuum insulation keeps your beverage the perfect temperature, with no condensation. The Rover tumbler is built with 18/8 kitchen grade stainless steel making it durable and it will not leave a metal flavor. With a crystal clear lid, rubber gasket and rubber stopper your beverage will maintain constant temperature longer, making it the ultimate drinking experience.


  • Perfect for on the go
  • Keeps ice up to 36+ hours
  • Keeps Liquid hot up to 12+ hours
  • Fits most cup holders
  • 18/8 kitchen grade stainless steel
  • Double wall vacuum insulation keeps beverages hot or cold
  • Condensation/Sweat Free
  • Crystal clear lid helps maintain temperature
  • Rubber gasket and lid stopper prevents spills
  • Lifetime Warranty
  • 20 oz. capacity

Additional information

Weight 1 lbs

Stainless (No Color), Light Orange, Burnt Orange, Orange, Scarlet Red, Garnet, Red, Crimson, Pink, Purple, Dark Blue, Royal Blue, Midnight Blue, Light Blue, Forest Green, Dark Maroon, Dark Green, Sea Foam Green, Yellow, White, Black