Skip to content
41

thermos lunch box

Skip it

A small market ($2K/yr) — this niche doesn't clear our bar today.

Market size 1Growth 18Conversion 4Competition 67Returns 72Price range 95Avg price 95Brand share 15Review moat 46Quality gap 75

Avg price

Incredible$31.19

avg listing price — sweet spot $15–$100

Price range

Incredible$19.26–$65.41

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.1%

return rate — above 5% kills the launch gate

Competition

Good45%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay1,924.73

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-13.3%

90-day search growth — must beat 0% to launch

Brand share

Bad94%

top-5 brand share — brand-locked demand

Conversion

Bad0.4%

search→purchase rate — share of searches ending in a sale

Market size

Bad$2K

$2K/yr · 23K searches

According to Flapen's Amazon Singapore niche tracking, thermos lunch box is a $2K/yr Amazon Singapore market (23K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 41/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

thermos lunch box market data

Units sold / yr
100–250
avg 0–100/product
Revenue / yr
$3K–$8K
units × avg price
Conversion rate
0.4%
Avg BSR
#52
Page quality
0%
Prime
87%
Sponsored
20%
Out of stock
12.0%
Avg brand age
54 months
Avg seller age
0 days

Competition & brand share

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

22

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

45%

Top 20: 87%

Open market

3%

  • THERMOS63%
  • Tiger15%
  • SKATER8%
  • Generic6%
  • TRAVELISIMO3%
  • Tinyvibe3%
  • Open — no brand owns it (3 brands, 3%)

Demand

Weekly Amazon search volume, last 47 weeks — -13.3% search growth over the last 90 days.
600400Spike '25Black Friday '25Spike '26Aug '25Oct '25Dec '25Jan '26Mar '26May '26Jun '26

Top thermos lunch box search terms

  • insulated lunch box8K/yr
  • thermal lunch box6K/yr
  • thermos lunch box8K/yr
All search terms

Top thermos lunch box products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$1008%$19912%$29916%$3981101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about thermos lunch box

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall46%

“Good quality”

Compactness25%

“compact”

Storage Capacity13%

“Doesnt occupy too much space in bag to work”

Ease Of Use8%

“easy to use”

Durability8%

“Id definitely recommend it to anyone looking for a durable”

What buyers complain about

Temperature Retention100%

“This lunch box did not keep my food warm at all”

Top return reasons

Size-Overall50%
Ease Of Use14%
Rusts/Corrodes8%
Functionality-Overall6%
Heating6%
Storage Capacity6%
Portability6%
Mechanism Issues6%

Common questions

Is thermos lunch box profitable to sell on Amazon Singapore?
The niche generates $2K/yr across 30 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -13.3%. Flapen's verdict: Skip it (41/100).
How competitive is the thermos lunch box niche?
9 brands and 22 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in thermos lunch box?
Top complaints mined from reviews: Temperature Retention. The return rate is 2.1%.
What does it cost to enter the thermos lunch box niche?
Listings span $19.26–$65.41; the average listing price is $31.19 (sweet spot $15–$100). The average incumbent carries 1,925 reviews — the moat a new listing must climb.