Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Folding Straw Lid|Mystifying Blue Checkmate
Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Folding Straw Lid|Mystifying Blue Checkmate
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Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Folding Straw Lid|Mystifying Blue Checkmate

|7,259 ratings
Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Folding Straw Lid|Mystifying Blue CheckmateSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Folding Straw Lid Mystifying Blue CheckmateSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Folding Straw Lid Lavender and Cream Checkmate

Key item features

  • Vaccum Insulated Stainless Steel
  • Ergonomic Handle and Cupholder Friendly
  • Leakproof Insulated Folding Straw Lid
  • 40 Fluid Ounces
  • We Exist to Give Generously: Simple Modern is built on serving you, offering remarkable value, and giving more than 10% of profit. All products are covered by a limited lifetime warranty.
  • Good Everywhere.
  • Limited Lifetime Warranty
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4.7 out of 5 stars
stars
7,259 ratings5,347 reviews
How item rating is calculated
  1. 5 stars89% (6,471)
  2. 4 stars4% (267)
  3. 3 stars3% (198)
  4. 2 stars2% (124)
  5. 1 star3% (199)
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Showing 1-3 of 5,347 reviews

Aug 6, 2026
Reviewer name: Jo J.
5 out of 5 stars
5 out of 5 stars review

My everyday, everywhere cup

This is one of the best gifts I ever got . Really. This cup keeps my water cold 12 hours. I forgot it one day and got home that night and my cup still had almost all the ice and it was 80degrees in my house I left the ac off. I recommend this cup to everyone. Easy to keep clean too. Oh mines the nude beige color and no mater what I get on it no stains ...

Review from Simple Modern
Helpful?6FNJMI9S2SDG19662351386
Jun 18, 2026
Reviewer name: Dawn M.
5 out of 5 stars
5 out of 5 stars review

Gorgeous!

I have loved Simply Modern Trek Tumblers since the first one I purchased several years back. These are one of my favorite gifts to give! Solid construction, beautiful colors and patterns, reasonable pricing, and excellent at holding ice for lengthy times. The tortoise shell pattern is absolutely GORGEOUS.

Review from Simple Modern
Helpful?6FNJMI9S2SDG19662351386
Apr 28, 2026
Reviewer name: Karen L.
5 out of 5 stars
5 out of 5 stars review

Two a Day—And This Makes It Easy

My Simple Modern 40 oz Tumbler has completely simplified my hydration routine. I aim to drink two of these a day, and the 40 oz size makes that goal feel doable and clear.I keep it with me throughout the day, and it does a great job keeping my water cool without needing to refrigerate it. No fuss, no overthinking—just fill, drink, repeat.If you're trying to stay hydrated in a simple, consistent way, this is a great choice.

Review from Simple Modern
Helpful?6FNJMI9S2SDG19662351386