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🔥 #126 in Insulated Tumblers · New Best value kids' insulated tumbler
IRON °FLASK Kids Water Bottle 10oz Straw Tumbler
IRON °FLASK 3.4
#126
in Insulated Tumblers
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01 / Spec
Top features
Capacity10 oz
InsulationDouble-wall vacuum insulated
Material18/8 stainless steel
The IRON °FLASK Kids Water Bottle is a 10oz vacuum-insulated stainless-steel tumbler designed for children. Features double-wall insulation with a straw lid for easy sipping and 20 custom name stickers for personalization. Built from 18/8 stainless steel, it keeps drinks cold for hours and hot for several. The compact 10oz size fits standard cup holders and is dishwasher safe. Positioned as an affordable, durable kids' tumbler with proven ice retention—ideal for school lunches, sports, and travel. Iron Flask balances solid insulation performance with budget-friendly pricing.
02 / Signals
Why it's hot
Kid-sized insulated tumbler with trusted brand and customization appeal.
- Value for money 94
- Review rating & velocity 82
- Community sentiment 84
- Brand reputation 86
- Search heat 62
- Est. return & defect rate 86
03 / Verdict
Pros & cons
Pros
- Excellent cost per ounce
- Strong ice retention (6-8 hours)
- Leak-proof straw lid
- Includes personalization stickers
- Lightweight for kids
- Dishwasher safe
- Fits standard cup holders
- Trusted Iron Flask durability
Cons
- Small 10oz capacity limits all-day use for older kids
- Straw can be harder to clean thoroughly
- Not suitable for older children or adults
- Limited color/design variety for kids
Capacity10 oz
InsulationDouble-wall vacuum insulated
Material18/8 stainless steel
Lid TypeStraw lid with flip top
Straw IncludedYes
Cold Retention6-8 hours
Hot Retention4-6 hours
Cup Holder FitYes, standard cup holders
Dishwasher SafeYes, lid hand wash recommended
WeightLightweight (approx 5 oz)
Bpa FreeYes
05 / Your take
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06 / Rivals
Compare with
07 / Variations
Other colors & sizes
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