Thermos Thermax 16-oz Stainless Steel Desk Mug - (Set of 2)

by Thermos
Today: $35.99
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ITEM# 13439303
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ITEM#: 13439303

The TherMax double-wall vacuum insulation locks in temperature to preserve flavor and freshness. These two mugs feature unbreakable stainless steel interior and exterior.

  • TherMax double-wall vacuum insulation locks in temperature to preserve flavor and freshness
  • Unbreakable stainless steel interior and exterior
  • Set of 2 mugs
  • Ergonomic rubber handle
  • Sweat-proof design won't leave water rings
  • Non-slip scratch resistant rubber base
  • Assembly not required
  • Insulation for maximum temperature retention, hot or cold
  • Spill resistant lid
  • Dimensions: 6.2 inches high x 4.8 inches diameter


Color Silver
Warranty 5 year Limited Manufacturer
Model Number CSS1020
Country of Origin China

Customer Reviews

5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
  • Most Recent

  • Keeps Liquid Hot
    Verified Purchase

    This was an excellent purchase! The mugs are sturdy, the tops fit perfectly, and they do their job extremely well. The rubberized bottoms keep them from sliding around. My husband uses them for tea, and he's found that the liquid stays hot for hours. If he leaves it in the mug until late afternoon, he finds it's still lukewarm/room temperature. Easy to clean. Indentations on the sides make them easier to grasp if not grasping by the handle. Have had for about a year now and the handles have stayed on. Tea does stain over time, but stains can be removed by making a baking soda paste and letting it coat the mug for a while--scrubs stain right off. These mugs are used almost daily in our household.

    Read More
  • ok mug
    Verified Purchase

    I purchased these and was disappointed that the handles on both broke off after less than a month's use. the handles are a little awkward to use as well, and the cup tends to get pretty hot, so beware your lips when sipping.

    Read More
  • Nice mugs.
    Verified Purchase

    Thermos has produced quality products for many years, and these mugs are two more in a long line of such items.

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  • Most Helpful

  • bottom-great, top-nightmare
    Verified Purchase

    Big problem is that top of mug so easily comes loose when you're holding or drinking. Result is that beverage spills out on hand or clothes. It simply needs a firmer commitment to the mug. Without this design improvement, it's a non-starter. With it, I'd be quite satisfied. I bought two mugs at once and both have this problem.

    Read More
  • Negative
    Verified Purchase

    Looked like nice quality on screen, but arrived in broken down box, looked like it was opened..............handles were broke off the cups.......very disappointed

    Read More
  • Perfect size
    Verified Purchase

    We needed cups to fit under the coffee maker dispenser and these were perfect. The lid doesn't stay on well unless you make sure and give it an extra twist to be sure it is snug. Not so sure I woul want to travel with it!

    Read More
  • Awful for the price and not meant for beverages on
    Verified Purchase

    On the site these look nice, lids pop off with coffee in them due to expansion of the metal. Very cheap metal , for $XX I expected nice!

    Read More
  • Negative Review
    Verified Purchase

    I exchanged the original order because the lids were not secure and tight. They tended to pop off. The replacements are a bit more secure but not much of an improvement.

    Read More

Questions & Answers

  • Q:

    "i bought the Thermos Thermax 16-oz Stainless Steel Desk Mug set, one came with a handle already on the mug and the other came in a plastic sleeve. How am I supposed to put the handle on the other mug?"

    • A:

      You will be contacted promptly, by customer service. Please feel free to contact us again with any concerns or further questions.

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Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.