Is mini thermos profitable to sell on Amazon United States?

The niche generates $87K/yr across 35 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -9.6%. Flapen's verdict: Skip it (37/100).

How competitive is the mini thermos niche?

7 brands and 457 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 98% of demand.

What do buyers complain about in mini thermos?

Top complaints mined from reviews: Leak-Proof, Size-Overall, Heating. The return rate is 3.4%.

When does demand for mini thermos peak?

Demand peaks in Aug–Nov–Dec; the busiest month runs 1.9× the quietest.

What does it cost to enter the mini thermos niche?

Listings span $9.83–$34.69; the average listing price is $24.07 (sweet spot $15–$100). The average incumbent carries 8,124 reviews — the moat a new listing must climb.

Mini Thermos

Skip it

Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Avg price

Incredible$24.07

avg listing price — sweet spot $15–$100

Price range

Great$9.83–$34.69

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

Competition

Good45%

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

Returns

Okay3.4%

return rate — above 5% kills the launch gate

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.3%

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

Review moat

Bad8,124.14

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$87K

$87K/yr · 156K searches

Growth

Bad-9.6%

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

Brand share

Bad98%

top-5 brand share — brand-locked demand

Is mini thermos profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mini thermos is a $87K/yr Amazon United States market (156K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Aug–Nov–Dec. Verdict: Skip it — 37/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

mini thermos market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 3K–3K; avg 0–100/product
Revenue / yr: $60K–$72K; units × avg price
Conversion rate: 2.3%
Avg BSR: #338
Page quality: 0%
Prime: 100%
Sponsored: 49%
Out of stock: 6.5%
Avg brand age: 43 months
Avg seller age: 147 days

Competition: brands, sellers & click share

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

Brands

7 rising

Sellers

457

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

45%

Top 20: 85%

Open market

Hydro Flask79%
Zojirushi14%
THERMOS2%
Exllena2%
Owala1%
YETI1%
Open — no brand owns it (1 brand, 1%)

mini thermos demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.6% search growth over the last 90 days.

Peak months: Aug, Nov, Dec · busiest ÷ quietest = 1.9×

Open Trend

Top mini thermos search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

hydro flask 12 oz27K/yr -0.5%0.8% conv.
hydroflask 12 oz water bottle16K/yr +2.5%0.8% conv.
12 oz hydroflask16K/yr -11.6%1.0% conv.
hydroflask 12 oz14K/yr +6.5%1.2% conv.
12 oz thermos15K/yr -9.2%0.5% conv.
zojirushi thermos 12 oz9K/yr -5.2%1.2% conv.
12oz hydroflask7K/yr -13.8%0.8% conv.
zojirushi 12 oz7K/yr -10.9%1.4% conv.
12oz thermos7K/yr -27.6%0.6% conv.
hydroflask 12oz6K/yr -18.8%1.3% conv.

All search terms

Top mini thermos products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Top sellers

by 90-day click share

Hydro Flask 12 oz Wide Mouth Bottle with Flex Sip Lid White

Hydro Flask$29.614.6★4,199 rev

Hydro Flask Water Bottle - Insulated Stainless Steel - Wide Mouth Flex Sip Lid Non Spill Leakproof and Refillable in 16 Oz White

Hydro Flask$21.674.4★5,882 rev

Hydro Flask Kids Water Bottle for School - Stainless Steel and Insulated with Straw Cap - 12 Oz Coconut

Hydro Flask$23.184.6★1,974 rev

Hydro Flask Kids Water Bottle for School - Stainless Steel and Insulated with Straw Cap - 12 Oz in Anemone Purple

Hydro Flask$25.214.6★1,974 rev

Hydro Flask 12 oz Wide Mouth Bottle with Flex Sip Lid Black

Hydro Flask$27.644.6★4,199 rev

Newest

by launch date

UpgradedExllena Small Insulated Water Bottle 12 oz/350ml Mini Insulated Water Bottle for Hot & Cold Drinks Perfect Small Water Bottle for Travel Purse...(Sage Green)

Exllena$15.601,024 rev

10mo ago

Hydro Flask Micro Bottle - Insulated Mini Leak Proof Flask for Purse or Pocket in 6.7 Oz Birch Gray

Hydro Flask$19.582,402 rev

11mo ago

Hydro Flask Micro Bottle - Leak Proof Purse or Pocket Flask - Insulated Mini Water Bottle 6.7 Oz Aloe

Hydro Flask$19.682,402 rev

1y ago

Hydro Flask Micro Bottle - Leak Proof Purse or Pocket Flask - Insulated Mini Water Bottle 6.7 Oz Reef

Hydro Flask$19.542,402 rev

1y ago

Hydro Flask Kids Water Bottle for School - Stainless Steel and Insulated with Straw Cap - 12 Oz Coconut

Hydro Flask$23.181,974 rev

1y ago

What reviews say buyers love and hate about mini thermos

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

What buyers love

Size-Overall22%

“Great size for travel”

Leak-Proof13%

“It's leak proof”

Quality-Overall12%

“Excellent Product”

Temperature Retention7%

“keeps my coffee hot all day”

Color6%

“Gorgeous red color”

Ease Of Cleaning5%

“cleans easily. directions included on how to take apart.”

Ease Of Use4%

“Easy to use”

Portability3%

“is easy to carry”

Design-Overall3%

“the simple design looks stylish”

Value For Money2%

“Worth it”

What buyers complain about

Leak-Proof26%

“Leaks sometimes”

Size-Overall10%

“Mouth of bottle is way too small”

Heating6%

“Doesn't keep food hot/warm fir more that 1-2 hours”

Color5%

“Color doesnt match”

Temperature Retention3%

“Doesnt keep temps as long as HYDY bottles”

Quality-Overall3%

“The bag is cheap”

Durability3%

“Lid broke after three months”

Weight Heavy2%

“It is a bit heavier than I would like”

Value For Money2%

“Its a little on the pricey side”

Ease Of Cleaning2%

“Insanely hard to clean lid”

Top return reasons

Size-Overall53%

Color13%

Leak-Proof9%

Value For Money5%

Advertised Vs Actual Product4%

Product Condition2%

Scratch Resistance2%

Functionality-Overall2%

Ease Of Use1%

Weight Heavy1%

Common mini thermos questions

Is mini thermos profitable to sell on Amazon United States?: The niche generates $87K/yr across 35 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -9.6%. Flapen's verdict: Skip it (37/100).
How competitive is the mini thermos niche?: 7 brands and 457 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in mini thermos?: Top complaints mined from reviews: Leak-Proof, Size-Overall, Heating. The return rate is 3.4%.
When does demand for mini thermos peak?: Demand peaks in Aug–Nov–Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the mini thermos niche?: Listings span $9.83–$34.69; the average listing price is $24.07 (sweet spot $15–$100). The average incumbent carries 8,124 reviews — the moat a new listing must climb.

Mini Thermos

Is mini thermos profitable on Amazon?

mini thermos market size & sales

Competition: brands, sellers & click share

mini thermos demand & seasonality

Top mini thermos search terms shoppers use

Top mini thermos products & what they sell for

Top sellers

Newest

Trending

What reviews say buyers love and hate about mini thermos

What buyers love

What buyers complain about

Top return reasons

Common mini thermos questions

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