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🔥 #89 in Insulated Tumblers · New Best value everyday insulated tumbler
IRON °FLASK Co-Pilot 32oz Insulated Tumbler with Flip Cap & Straw
IRON °FLASK 3.6
#89
in Insulated Tumblers
$14.24 →
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
Capacity32 oz
InsulationDouble-wall vacuum insulated
Material18/8 stainless steel
The IRON °FLASK Co-Pilot is a 32 oz double-wall vacuum-insulated stainless steel tumbler with a flip cap and matching straw. It features 18/8 stainless steel construction for durability and is designed to fit standard cup holders. The tumbler claims strong cold and hot retention for all-day hydration. It comes with a leak-proof flip lid and integrated straw, making it portable for travel, work, and outdoor use. Dishwasher safe for easy cleaning. Iron Flask is a recognized mid-tier brand known for solid insulation performance at reasonable prices—popular with everyday users seeking reliable cold retention without premium pricing. Best suited for commuters and active users prioritizing practicality and value.
02 / Signals
Why it's hot
Affordable insulated tumbler with proven cold retention and leak-proof design.
- Value for money 98
- Review rating & velocity 86
- Community sentiment 84
- Brand reputation 82
- Search heat 70
- Est. return & defect rate 86
03 / Verdict
Pros & cons
Pros
- Excellent value for the price
- Strong all-day cold retention
- Leak-proof flip cap lid
- Fits standard cup holders
- Includes matching straw
- Dishwasher safe
- Durable stainless steel construction
Cons
- Straw can be difficult to clean thoroughly
- Heavier than some plastic alternatives
- Lid seal may wear with heavy use
- Limited color/style options
- Not as trendy as viral category leaders
Capacity32 oz
InsulationDouble-wall vacuum insulated
Material18/8 stainless steel
Lid TypeFlip cap with lock
Straw IncludedYes, matching straw
Cold Retention12+ hours
Hot Retention8+ hours
Cup Holder FitStandard cup holders
Dishwasher SafeYes
Bpa FreeYes
05 / Your take
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06 / Rivals
Compare with
07 / Variations
Other colors & sizes
Top pick
Iron Flask Co-Pilot 40oz Insulated Tumbler with Flip-Cap Lid
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