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54

flask for baby bottles

Worth a look

Shows low returns (0.3%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 72Growth 43Conversion 60Competition 7Returns 99Price range 93Avg price 95Brand share 0Review moat 40Quality gap 86

Returns

Incredible0.3%

return rate — above 6% kills the launch gate

Avg price

Incredible£26.49

avg listing price — sweet spot $15–$100

Price range

Great£14.33–£38.61

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

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Market size

Good£784K

£784K/yr · 575K searches

Conversion

Good5.1%

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

Growth

Okay+14.3%

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

Review moat

Okay2,466.25

avg incumbent reviews — the moat a new listing must climb

Competition

Bad92%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, flask for baby bottles is a £784K/yr Amazon United Kingdom market (575K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul. Verdict: Worth a look — 54/100.

Data updated Jul 18, 2026 · scored weekly · How we score niches

Market data

Units sold / yr
30K–40K
avg 4,000–5,000/product
Revenue / yr
£795K–£1.1M
units × avg price
Launch success
1 of 1 new (360d)
Conversion rate
5.1%
Avg BSR
#18
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
39 months
Avg seller age
168 days

Competition

The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

171

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

92%

Top 20: 100%

Open market

0%

  • Nuby91%
  • Tommee Tippee6%
  • XAPROO2%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +14.3% search growth over the last 90 days.
30K20KSpike '24Holiday '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 1.6×

Product shelf

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

0%10%£78K20%£157K30%£235K40%£314K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

Reviews

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

What buyers love

Ease Of Use26%

“Super handy”

Quality-Overall15%

“Worth the money these bottles are very good quality”

Value For Money7%

“Great value for money”

Temperature Retention7%

“This is the perfect temperature”

Ease Of Feeding7%

“This a game changer for feeding”

Portability5%

“The compact design is perfect for travel”

Temperature Control4%

“It cools my babys 180ml bottle in around 3 minutes”

Advertised Vs Actual Product3%

“Exactly what you see in the picture”

Size-Overall2%

“Size good”

Weight Light2%

“Lightweight, easy to understand”

What buyers complain about

Durability23%

“Broken”

Functionality-Overall19%

“Stopped Working”

Temperature Control6%

“The temperature display is not working we have tried the fix”

Charging6%

“not charging or turning on”

Defective Material/Parts4%

“flashes red meaning defective / broken”

Leak-Proof4%

“the bottle leaks”

Quality-Overall4%

“Poor quality”

Battery Life3%

“Faulty battery, only had it for 6 weeks”

Value For Money3%

“expensive and useless”

Size-Overall3%

“Bigger than expected”

Top return reasons

Charging29%
Functionality-Overall24%
Defective Material/Parts13%
Size-Overall11%
Durability10%
Weight Heavy3%
Value For Money2%
Compatibility-Overall2%
Advertised Vs Actual Product1%
Product Condition1%

Common questions

Is flask for baby bottles profitable to sell on Amazon United Kingdom?
The niche generates £784K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +14.3%. Flapen's verdict: Worth a look (54/100).
How competitive is the flask for baby bottles niche?
3 brands and 171 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in flask for baby bottles?
Top complaints mined from reviews: Durability, Functionality-Overall, Temperature Control. The return rate is 0.3%.
When does demand for flask for baby bottles peak?
Demand peaks in Jul; the busiest month runs 1.6× the quietest.
What does it cost to enter the flask for baby bottles niche?
Listings span £14.33–£38.61; the average listing price is £26.49 (sweet spot $15–$100). The average incumbent carries 2,466 reviews — the moat a new listing must climb.

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