avent bottle caps
Skip itPrices mostly outside the sweet spot ($6.84–$14.89) — this niche doesn't clear our bar today.
Conversion
Great9.3%search→purchase rate — share of searches ending in a sale
Returns
Great1.8%return rate — above 5% kills the launch gate
Review moat
Good883.06avg incumbent reviews — the moat a new listing must climb
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$9.44avg listing price — sweet spot $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-13.6%90-day search growth — must beat 0% to launch
Market size
Bad$40K$40K/yr · 45K searches
Price range
Bad$6.84–$14.89cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, avent bottle caps is a $40K/yr Amazon United States market (45K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 36/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
avent bottle caps market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $28K–$38K
- units × avg price
- Conversion rate
- 9.3%
- Avg BSR
- #234
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 78%
- Out of stock
- 5.6%
- Avg brand age
- 43 months
- Avg seller age
- 170 days
Competition & brand share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
17
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
13%
- Maymom29%
- EESC2Y20%
- BULGILIA15%
- bahforam11%
- XUNICUTE8%
- CHUBBIEE4%
- Open — no brand owns it (6 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -13.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top avent bottle caps search terms
- avent bottle caps14K/yr
- philips avent bottle caps7K/yr
- philips avent bottle lids4K/yr
- spectra bottle lids3K/yr
- avent bottle lids4K/yr
- spectra bottle caps4K/yr
- philips avent bottle tops3K/yr
- avent bottle tops2K/yr
- philips avent bottle caps only2K/yr
- philips avent storage caps1K/yr
Top avent bottle caps 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.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
(6-PCs) Travel Bottle Caps Compatible with Avent Bottles Bottle Lids Replacement
EESC2Y$7.564.8★477 rev
BULGILIA (4 Count) Baby Bottle Lids for Philips Avent Baby Bottles Compatible with Philips Avent Natural Bottles & Natural Glass Bottles
BULGILIA$6.974.5★179 rev
Maymom Screw Lids Aka Travel Caps with Rewritable Sealing Disc Compatible with Avent Bottle Maymom Wide Mouth Bottles; Cap Replace Avent Natural Bottle Sealing Ring and Sealing Disc 6pcs. (Blue)
Maymom$11.854.7★1,856 rev
Maymom Travel Bottle Caps Compatible with Avent Bottle; Cap Replace Avent Natural Bottle Screw Ring n Sealing Disc; Fit Avent Anti-colic Polypropylene Glass Bottle Avent PP Bottle Lids Replacement
Maymom$9.974.8★623 rev
Baby Bottle Lids for Philips Avent Natural Bottles - 5 Pack BPA-Free Leakproof Caps Soft & Durable Replacement Covers for Avent Glass/Plastic Bottles
bahforam$7.704.4★60 rev
Newest
by launch date
Philips Avent Natural Response Nipples Extra Fast Flow (Flow 5) 4-Pack SCY965/44
Philips Avent$12.204,069 rev
Dome Caps with Nipple Rings Set Compatible for Philips Avent Natural Baby Bottles Replacements Screw Collars with Dome Lids for Como tomo Set of 4
Giftophilia$9.9050 rev
8 Count Baby Bottle Lids Compatible with Philips Avent Baby Bottles Soft & Safe PP Bottle Caps for Avent Natural Plastic and Glass Bottles BPA Free Baby Bottle Covers for Philip Avent Glass Bottle
YONHTUTU$9.5324 rev
BULGILIA (4 Count) Baby Bottle Lids for Philips Avent Baby Bottles Compatible with Philips Avent Natural Bottles & Natural Glass Bottles
BULGILIA$6.97179 rev
Philips Avent Bottle Caps 6-Pack Leak-Proof Replacement Lids for Avent Wide-Neck Baby Bottles
QUANFULTEC$8.0117 rev
Trending
90-day click momentum
Maymom Solid Lids Aka Travel Caps w/Sealing Ring Compatible with Avent Bottle; Cap Replace Avent Natural Bottle Screw Ring n Sealing Disc; Fit Avent Anti-colic Polypropylene Glass Bottle Avent Pink
Maymom$9.984.8★
CHUBBIEE Reusable Storage/Travel Caps Compatible with Philips Avent Natural & Anti-Colic Baby Bottles Leak-Proof Lids for Formula Shaking Fridge Storage Microwave Safe BPA-Free 6-Pack
CHUBBIEE$7.984.4★
8 Count Baby Bottle Lids Compatible with Philips Avent Baby Bottles Soft & Safe PP Bottle Caps for Avent Natural Plastic and Glass Bottles BPA Free Baby Bottle Covers for Philip Avent Glass Bottle
YONHTUTU$9.534.3★
Dome Caps with Nipple Rings Set Compatible for Philips Avent Natural Baby Bottles Replacements Screw Collars with Dome Lids for Como tomo Set of 4
Giftophilia$9.904.5★
Maymom Screw Lids Aka Travel Caps with Rewritable Sealing Disc Compatible with Avent Maymom Wide Mouth Bottles; Cap Replace Avent Natural Bottle Sealing Ring and Sealing Disc 6pcs. (Pink)
Maymom$11.874.7★
What buyers say about avent bottle caps
What buyers praise and complain about, mined from review topics.What buyers love
“Fit perfect”
“Dont leak”
“Bottles are exactly as expected from Spectra - great quality”
“Good product for the price”
“Storage great”
“easy to clean”
“easy to use”
“Perfect compatibility with my Philips bottle”
“they do their job”
“overall they are durable”
What buyers complain about
“Lids don't fit”
“Leaks easily”
“Hard to remove most of the time”
“NOT the same bottles”
“Does not have flat back”
“Terrible smell”
“The color is more of a pale blue. in most lighting it looks white”
“They dont seal very well”
“Wouldnt recommend unless youre sure theyre compatible”
“One did break a lil too easily”
Top return reasons
Common questions
- Is avent bottle caps profitable to sell on Amazon United States?
- The niche generates $40K/yr across 18 tracked products. 90-day search growth is -13.6%. Flapen's verdict: Skip it (36/100).
- How competitive is the avent bottle caps niche?
- 12 brands and 17 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in avent bottle caps?
- Top complaints mined from reviews: Size-Overall, Leak-Proof, Ease Of Use. The return rate is 1.8%.
- When does demand for avent bottle caps peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the avent bottle caps niche?
- Listings span $6.84–$14.89; the average listing price is $9.44 (sweet spot $15–$100). The average incumbent carries 883 reviews — the moat a new listing must climb.