Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid | Seaglass Sage
Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid | Seaglass Sage
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Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid | Seaglass Sage

5,892 ratings
Simple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid | Seaglass SageSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid Seaglass SageSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid GraphiteSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid Glamping ForestSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid Lavender MistSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid BlushSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid Almond BirchSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid Raspberry VibesSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid 80s MixSimple Modern 40 fl oz Insulated Stainless Steel Trek Tumbler with Straw Lid Midnight Black
Actual ColorSeaglass Sage

Key item features

  • Insulated Durability: This 40 fl oz tumbler features double-walled, vacuum-insulated 18/8 stainless steel construction, designed to maintain beverage temperature for extended periods.
  • Convenient Design: The tumbler is cupholder friendly and includes an ergonomically designed handle for comfortable carrying.
  • Leak-Resistant Lid: It comes with a straw lid and two straws, engineered to prevent spills and allow for four different straw placements based on user preference.
  • Generous Capacity: With a 40 fluid ounce capacity, this tumbler is suitable for enjoying your favorite beverages on the go.
  • Stylish Versatility: Available in a Seaglass Sage color, the Trek Tumbler offers aesthetic appeal for various outfits or activities.
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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?6M3FFIPFU6901435041228
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?6M3FFIPFU6901435041228
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?6M3FFIPFU6901435041228
Current price is $29.9875.0 ¢/fl oz
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