Compare Lunchboxes
Goodkiind The Explorer Scoops Leakproof Stainless Steel Lunch Box scores higher on safety - here's why.
R3 scored the Yumbox Original Leakproof Bento Lunch Box 6.2/10 and the Goodkiind The Explorer Scoops Leakproof Stainless Steel Lunch Box 10.0/10 on the same lunchboxes scoring system, weighing safety, efficacy, and usability. The Goodkiind The Explorer Scoops Leakproof Stainless Steel Lunch Box comes out ahead, led by its safety score (10.0/10 vs 6.5/10).
The most important dimensions, side by side.
See which one actually scores higher — and why
Free account unlocks full safety scores, spec-by-spec breakdown, and the R3 verdict on Yumbox Original Leakproof Bento Lunch Box vs Goodkiind The Explorer Scoops Leakproof Stainless Steel Lunch Box.
Unlock the full Yumbox Original Leakproof Bento Lunch Box vs Goodkiind The Explorer Scoops Leakproof Stainless Steel Lunch Box breakdown
Free account unlocks all safety scores, complete spec comparison, scoring rationale, and the R3 verdict on which one to buy.
Everything you need to make the call - who each one is for, and who should skip it.
Go for it if you...
Your child is ages 3–7 and needs to open their lunch box independently — the single latch is the easiest in the category.
You need reliable all-compartment leakproofing for wet foods like yogurt, fruit, and sauces.
Portion control matters — the 5+dip-well layout keeps every food group separated and visible.
You want replacement parts to extend the box's life without buying a new one each year.
Budget is a consideration — at $33, it's strong value for what it delivers.
You want the safest food-contact material available for your child's daily lunch — 304 stainless steel is the material pediatric health organizations specifically recommend.
Third-party lead testing matters to you — Goodkiind is one of the very few lunch box brands that publishes quarterly internal and independent lab lead-test results.
Your child's current lunchbox leaks and wet sauce ruins the dry foods every day.
Dishwasher convenience is non-negotiable in your school-night routine.
You're making a long-term investment and want a lunchbox that won't degrade or develop leaching concerns as it ages.
The main thing to know
The Yumbox Original's single-lid leakproofing and single-latch ease of opening are genuinely the best in class for ages 3–7, but you're getting a Tritan plastic food-contact tray — not stainless steel — with no PFAS-free claim, a compartment capacity that scores low for older kids, and a shell that needs hand washing every day.
PFAS-free status is confirmed by material design (uncoated stainless steel), not a published third-party PFAS lab certificate. Also, the brand's product copy says 'leak-resistant' rather than fully 'leakproof' — reliable for typical school lunches, but not rated for carrying large volumes of liquid.
Skip this if you...
You want a plastic-free food-contact tray — the Yumbox Presto or Pret have stainless steel trays.
You need the entire box (not just the tray) to be dishwasher safe — the shell requires daily hand washing.
Your child is older or a bigger eater — the 2.5–4 cup capacity may not be enough.
Your child packs tomato sauce, curry, or berries frequently — expect tray staining within 6–12 months.
You're on a tight budget — at $79.99 on sale this is a significant investment compared to plastic alternatives.
You need a fully sealed container for soup or large liquid portions — 'leak-resistant' is a step below a sealed thermos.
You prefer to avoid silicone entirely — the leakproof seal is food-grade platinum silicone and is integral to the design.
Neither of these quite what you're looking for?
I've reviewed all Lunchboxes options at every price pointEvery Lunchboxes in our database is scored using R3's deterministic scoring system - the same inputs always produce the same score. For this comparison, we evaluated Yumbox and Goodkiind across 3 independent criteria: Safety (48%), Efficacy (22%), Usability (30%). No sponsored rankings. No paid placements.
Straight answers - no sponsored content, no filler.
I'd start with Goodkiind Goodkiind The Explorer Scoops Leakproof Stainless Steel Lunch Box - it scored 10.0/10 overall in our scoring system. Safety is our top-weighted scoring pillar, followed by efficacy, and usability. Check which pillar matters most to your family and compare those specific scores.
R3 uses a deterministic scoring system - the same inputs always produce the same score. We evaluate each Lunchboxes across Safety, Efficacy, Usability using independently verified data. No sponsored rankings. No paid placements. Every score is fully reproducible.
Not necessarily. The overall score reflects how we weight those three pillars, but your priorities may differ. If you care most about safety, compare the safety scores directly. If budget drives your decision, the prices tell a clearer story. The "right" pick is the one that matches what matters most to your family.
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