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🔥 #105 in Insulated Tumblers · New Best value leak-proof everyday tumbler
Iron Flask Classic 24oz Tumbler – Midnight Black Flip Lid
IRON °FLASK 3.6
#105
in Insulated Tumblers
$18.99 →
As of Jul 8, 2026
AI-estimated. See how we score. How we score Affiliate link — we may earn a commission
01 / Spec
Top features
Capacity24 oz
InsulationDouble-wall vacuum-insulated
Material18/8 stainless steel
Iron Flask Classic Tumbler is a double-wall vacuum-insulated stainless steel tumbler in 24 oz capacity with a solid flip lid. Built from 18/8 stainless steel, it delivers strong all-day cold retention and holds drinks hot for several hours. The tumbler features a standard cup-holder fit and is hand-wash recommended (lid is top-rack dishwasher safe). Currently on sale at $18.99 (30% off list price), it offers solid value for everyday hydration and commuting. Best for users seeking a reliable, leak-resistant everyday tumbler at a mid-market price point without premium brand markup.
02 / Signals
Why it's hot
Strong value insulated tumbler with proven leak-proof design and all-day ice retention.
- Value for money 94
- Review rating & velocity 86
- Community sentiment 84
- Brand reputation 82
- Search heat 70
- Est. return & defect rate 86
03 / Verdict
Pros & cons
Pros
- Holds ice effectively throughout the day
- Leak-proof flip-lid design
- Excellent price-to-performance ratio
- 18/8 stainless steel construction
- Fits standard cup holders
- Trusted Iron Flask brand
Cons
- Solid lid less versatile than straw options
- Hand-wash only (except lid)
- Heavier than some competitors when full
- Limited color/size availability in this listing
Capacity24 oz
InsulationDouble-wall vacuum-insulated
Material18/8 stainless steel
Lid TypeSolid flip lid
Straw IncludedNo
Cold RetentionAll-day ice retention (8-12 hours)
Hot RetentionSeveral hours
Cup Holder FitStandard fit
Dishwasher SafeLid only (top-rack)
Weight~12 oz empty
Bpa FreeYes
05 / Your take
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06 / Rivals
Compare with
07 / Variations
Other colors & sizes
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