Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid | 80s Mix
Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid | 80s Mix
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Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid | 80s Mix

5,892 ratings
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Actual Color80s Mix

Key item features

  • Vacuum Insulated: Double walled and vacuum insulated to keep drinks hot or cold for hours.
  • Stainless Steel: Made from premium 18/8 stainless steel for durability and longevity.
  • Leak Resistant: Comes with a straw lid and two straws to prevent spills and leaks.
  • Ergonomic Handle: Designed with an ergonomic handle for comfortable carrying.
  • Cupholder Friendly: Fits standard cupholders for convenience on the go.
  • Large Capacity: Holds up to 40 fluid ounces of your favorite beverage.
  • Versatile Straw Lid: Four-way threaded straw lid allows for different straw placements based on drinking hand preference.
  • Generous Mission: Simple Modern donates more than 10% of profit and offers remarkable value.
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Customer ratings & reviews

4.8 out of 5 stars
stars
5,892 ratings4,241 reviews
How item rating is calculated
  1. 5 stars90% (5,283)
  2. 4 stars4% (211)
  3. 3 stars3% (157)
  4. 2 stars2% (95)
  5. 1 star2% (146)

Reviews summary

Pros

  • : Fits comfortably in cup holders and easy to carry.
  • : Keeps drinks at low temperatures over time.
  • : Product comes in a range of bright colors.
  • : Does not leak when tipped or turned upside down.
  • : Keeps ice for several hours, often up to 24 hours or more.
  • : Priced lower than similar products.
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Showing 1-3 of 4,241 reviews

Dec 13, 2025
Reviewer name: Emma
Top Reviewer
Item details
Color: Raspberry Vibes
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Best treat ever

My cat is dictating this review to me: These are my favorite treats out of all the things my servant gives me. I've had similar but they're not nearly as good. Inaba really started the entire puree in a squeeze tube market and they're still on top for me. These are especially great when I'm parched since they offer a lot of hydration that dry treats don't. I haven't found a flavor I don't like. Sincerely, Jinx

Helpful?6M3FFIPFU6905349984063
Jun 13, 2026
Reviewer name: gia
Top Reviewer
Item details
Color: 80s Mix
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

10/10 would recommend. I never have anything bad to say about simple modern

Helpful?6M3FFIPFU6905349984063
Dec 26, 2025
Reviewer name: Emily B.
5 out of 5 stars
5 out of 5 stars review

My new favorite

This is my first 40 oz trek tumbler of many simple modern products. The color is absolutely gorgeous. I love the variety of sizes, types, & colors of the products. I normally use the 50 oz tumbler but this will be way more convenient since it will fit in my cup holders. Although this is the first 40 oz trek i own, I'm sure there will be many more to come!

Review from Simple Modern
Helpful?6M3FFIPFU6905349984063
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Starting from $35.31