---
title: "Avent Bottle Caps — $40K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/avent-bottle-caps"
last_updated: "2026-08-09T03:13:35.014Z"
locale: en
meta:
description: "Niche score 36/100 · $40K/yr market · 45K searches/yr · $9.44 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $40K/yr market · 45K searches/yr · $9.44 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Avent Bottle Caps — $40K/yr Amazon US Niche (2026) - Flapen"
---
# **avent bottle caps**
**Skip it**
Prices mostly outside the sweet spot ($6.84–$14.89) — this niche doesn't clear our bar today.
Market size 10Growth 18Conversion 84Competition 31Returns 79Price range 0Avg price 29Brand share 36Review moat 65Quality gap 27
**Conversion**
**Great****9.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****883.06**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****66%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****$9.44**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.6★**
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–$14.89**
cheapest 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 ~~](https://flapen.com/research/methodology)
## **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.
1K750Spike '25Prime Day '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/baby-products/avent-bottle-caps/trend)
## **Top avent bottle caps search terms**
- **avent bottle caps**14K/yr-9.9%6.2% conv. - **philips avent bottle caps**7K/yr-17.7%7.9% conv. - **philips avent bottle lids**4K/yr-29.4%7.7% conv. - **spectra bottle lids**3K/yr-6.9%2.1% conv. - **avent bottle lids**4K/yr-6.3%7.5% conv. - **spectra bottle caps**4K/yr-3.0%2.5% conv. - **philips avent bottle tops**3K/yr-18.8%9.1% conv. - **avent bottle tops**2K/yr-7.8%6.4% conv. - **philips avent bottle caps only**2K/yr-17.6%13.5% conv. - **philips avent storage caps**1K/yr-31.9%5.7% conv. [**All search terms **](https://flapen.com/research/us/baby-products/avent-bottle-caps/search-terms)
## **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.
0%5%$2K10%$4K15%$6K20%$8K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**(6-PCs) Travel Bottle Caps Compatible with Avent Bottles Bottle Lids Replacement**EESC2Y**$7.56**4.8★477 rev](https://www.amazon.com/dp/B0CBBGVSJN) [2**BULGILIA (4 Count) Baby Bottle Lids for Philips Avent Baby Bottles Compatible with Philips Avent Natural Bottles & Natural Glass Bottles**BULGILIA**$6.97**4.5★179 rev](https://www.amazon.com/dp/B0DD432JMB) [3**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**$11.85**4.7★1,856 rev](https://www.amazon.com/dp/B07DHH9SP4) [4**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**$9.97**4.8★623 rev](https://www.amazon.com/dp/B07JM4HSHP) [5**Baby Bottle Lids for Philips Avent Natural Bottles - 5 Pack BPA-Free Leakproof Caps Soft & Durable Replacement Covers for Avent Glass/Plastic Bottles**bahforam**$7.70**4.4★60 rev](https://www.amazon.com/dp/B0D33LMMYC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Philips Avent Natural Response Nipples Extra Fast Flow (Flow 5) 4-Pack SCY965/44**Philips Avent**$12.20**4,069 rev1y ago](https://www.amazon.com/dp/B0F45D3X17) [**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**$9.90**50 rev1y ago](https://www.amazon.com/dp/B0DJ774GFZ) [**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**$9.53**24 rev1y ago](https://www.amazon.com/dp/B0DPLZ2Y1R) [**BULGILIA (4 Count) Baby Bottle Lids for Philips Avent Baby Bottles Compatible with Philips Avent Natural Bottles & Natural Glass Bottles**BULGILIA**$6.97**179 rev1y ago](https://www.amazon.com/dp/B0DD432JMB) [**Philips Avent Bottle Caps 6-Pack Leak-Proof Replacement Lids for Avent Wide-Neck Baby Bottles**QUANFULTEC**$8.01**17 rev1y ago](https://www.amazon.com/dp/B0DCSMGCQN)
**~~View all new products →~~**
### **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**$9.98**4.8★**▲ 161%**](https://www.amazon.com/dp/B0CSK3QXHG) [**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**$7.98**4.4★**▲ 115%**](https://www.amazon.com/dp/B0D9QM3W1H) [**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**$9.53**4.3★**▲ 89%**](https://www.amazon.com/dp/B0DPLZ2Y1R) [**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**$9.90**4.5★**▲ 48%**](https://www.amazon.com/dp/B0DJ774GFZ) [**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**$11.87**4.7★**▲ 41%**](https://www.amazon.com/dp/B0C6145LKW)
**~~View all trending →~~**
## **What buyers say about avent bottle caps**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**37%
*“Fit perfect”*
**Leak-Proof**16%
*“Dont leak”*
**Quality-Overall**11%
*“Bottles are exactly as expected from Spectra - great quality”*
**Value For Money**5%
*“Good product for the price”*
**Storage Capacity**5%
*“Storage great”*
**Ease Of Cleaning**4%
*“easy to clean”*
**Ease Of Use**3%
*“easy to use”*
**Compatibility-Overall**3%
*“Perfect compatibility with my Philips bottle”*
**Advertised Vs Actual Product**3%
*“they do their job”*
**Durability**2%
*“overall they are durable”*
### **What buyers complain about **
**Size-Overall**32%
*“Lids don't fit”*
**Leak-Proof**20%
*“Leaks easily”*
**Ease Of Use**11%
*“Hard to remove most of the time”*
**Advertised Vs Actual Product**7%
*“NOT the same bottles”*
**Flatness**4%
*“Does not have flat back”*
**Smell**4%
*“Terrible smell”*
**Color**3%
*“The color is more of a pale blue. in most lighting it looks white”*
**Locking Mechanism**2%
*“They dont seal very well”*
**Compatibility-Overall**2%
*“Wouldnt recommend unless youre sure theyre compatible”*
**Durability**2%
*“One did break a lil too easily”*
### **Top return reasons **
**Size-Overall**44%
**Leak-Proof**10%
**Advertised Vs Actual Product**9%
**Compatibility-Overall**7%
**Value For Money**4%
**Functionality-Overall**3%
**Material Quality**3%
**Product Condition**3%
**Age Suitability**2%
**Breastfeeding Friendly**2%
## **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.
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