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35

baby bottles 12-18 months

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Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 17Growth 21Conversion 54Competition 35Returns 70Price range 69Avg price 73Brand share 0Review moat 23Quality gap 35

Avg price

Good$14.76

avg listing price — sweet spot $15–$100

Returns

Good2.2%

return rate — above 6% kills the launch gate

Price range

Good$6.72–$33.63

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

Conversion

Good4.4%

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

Competition

Okay64%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad6,889.14

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-7.6%

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

Market size

Bad$66K

$66K/yr · 102K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

5 rising

Sellers

25

Top-5 brand share

100%

Open market

0%

  • Philips Avent61%
  • Nuby29%
  • Dr. Brown's4%
  • NUK3%
  • CamelBak3%
  • Open — no brand owns it (0%)

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%$7K20%$13K30%$20K40%$27K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 62 weeks — -7.6% search growth over the last 90 days.
3K2KSpike '26MayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.3×

Reviews

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

What buyers love

Leak-Proof22%

“Leak Proof”

Quality-Overall11%

“Definitely a great quality bottle that lasts a long time”

Ease Of Cleaning10%

“Easy to clean”

Ease Of Use8%

“also very easy to use”

Size-Overall7%

“Great fit”

Value For Money5%

“Perfect for price”

Durability4%

“Durable and reliable”

Advertised Vs Actual Product3%

“They work as stated”

Design-Overall3%

“I love the design”

Washability3%

“Easy to use and wash”

What buyers complain about

Leak-Proof34%

“Not leakproof”

Durability8%

“But the lids break pretty easy”

Ease Of Use6%

“Not the easiest to use”

Value For Money4%

“Not worth it”

Size-Overall4%

“These are bulky and big”

Quality-Overall3%

“Broken garbage”

Age Suitability3%

“Hard for 1 yr old to get liq out”

Functionality-Overall3%

“Dont work for my son”

Advertised Vs Actual Product3%

“Not as expected”

Color2%

“The problem is....which color will he want today”

Top return reasons

Size-Overall28%
Material Quality16%
Leak-Proof9%
Advertised Vs Actual Product9%
Functionality-Overall6%
Age Suitability5%
Product Condition4%
Value For Money3%
Shape/Style2%
Ease Of Use2%