motif luna flanges
Skip itA small market ($49K/yr) — this niche doesn't clear our bar today.
Avg price
Great$19.05avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Price range
Great$6.98–$58.56cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good757.68avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Growth
Good+20.4%90-day search growth — must beat 0% to launch
Returns
Okay3.3%return rate — above 5% kills the launch gate
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Brand share
Bad92%top-5 brand share — brand-locked demand
Market size
Bad$49K$49K/yr · 56K searches
According to Flapen's Amazon United States niche tracking, motif luna flanges is a $49K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Sep. Verdict: Skip it — 48/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
motif luna flanges market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $38K–$48K
- units × avg price
- Conversion rate
- 4.5%
- Avg BSR
- #99
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 76%
- Out of stock
- 1.8%
- Avg brand age
- 28 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
10
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
59%
Top 20: 95%
Open market
3%
- eufy Security39%
- Nursi Luna18%
- BDICOVE16%
- Nuliie12%
- IVARONAL6%
- Wevedk5%
- Open — no brand owns it (1 brand, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +20.4% search growth over the last 90 days.Peak months: Sep · busiest ÷ quietest = 1.6×
Top motif luna flanges search terms
- eufy flange inserts23K/yr
- eufy s1 pro flange inserts8K/yr
- eufy s1 flange inserts6K/yr
- eufy flange6K/yr
- flange inserts for eufy s1 pro6K/yr
- eufy breast pump flange insert5K/yr
- legendairy flange inserts eufy2K/yr
Top motif luna flanges 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
eufy Security Original 15mm Sizing Inserts (2-Pack) for Wearable Breast Pump S1/S1 Pro/E10/E20 Silicone Sizing Inserts Easy to Install and Use Comfortable and Precise Fit for Better Suction
eufy Security$24.474.3★135 rev

Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield of Most Pumps Flange Sizing Kit Silicone Flanges Insert Breastfeeding Essentials Kit for New Moms
Nursi Luna$10.054.6★2,006 rev

Nuliie 3-in-1 Flange Sizing Kit 13/15/17/19/21mm for 24mm Electric Double Breast Pump Flange/Shield 10PCS Silicone Flange Inserts to Boost Pumping Efficiency & Comfort BPA-Free Essential for Moms
Nuliie$9.684.6★4,179 rev

10PCS Breast Pump Flange Insert Kit - 14/16/18/20/22mm*2pc for Momcozy M5/M9/M6/S12 Pro/V1 pro/V2 pro Spectra S1/S2 Eufy E10/S1 Pro Medela/Elvie/Lansinoh/Paruu P10 Breast Pump Wearable Pumps
BDICOVE$9.904.5★635 rev

eufy Security Original 24mm Flange (2-Pack) Replacement Accessories for Wearable Breast Pump E20/S1/S1 Pro HeatFlow Technology Food-Grade Silicone Durable Comfortable Ergonomic Fit
eufy Security$55.794.7★182 rev
Newest
by launch date
6pcs Flange Insert 21mm Compatible with eufy S1 pro/S1/E20/E10 Wearable Breast Pump 21mm Flange Sizing Kit for eufy Pump BPA Free Silicone Comfortable and Precise Fit for Better Suction
Wevedk$7.925 rev

2 Set Overall Pump Parts and 6pcs 17/19/21mm Flange Insert for eufy E20/S1/S1 Pro Pump Including Non-Heated 24mm Flange Collector Valves Diaphragms 17/19/21mm Inserts 2 Overall-Non-Heated
Wevedk$58.5615 rev

Nuliie 5-in-1 Flange Sizing Kit 12/14/16/18/20mm for 24mm Flange/Shield of Most Pumps 10PCS Silicone Flange Inserts to Boost Pumping Efficiency & Comfort BPA-Free Pump Essential for Moms
Nuliie$9.90445 rev

10PC Flange Insert 13/15/17/19/21mm*2 Compatible with eufy S1 Pro/S1/E20/E10 Wearable Pump for Momcozy/Spectra/Medela/Elvie/Lansinoh/Paruu with 24mm Flange/Shield Pump
Wevedk$7.8144 rev

2pcs 17mm Flange Insert Compatible with eufy S1 Pro/S1/E10/E20 Fit for Momcozy M9/M6/M5/S12 pro Breast Pump Replace for Spectra/Medela/MomMed/eufy/Lansinoh/Elvie with 24mm Flange/Shield
IVARONAL$7.88279 rev
Trending
90-day click momentum
6pcs Flange Insert 21mm Compatible with eufy S1 pro/S1/E20/E10 Wearable Breast Pump 21mm Flange Sizing Kit for eufy Pump BPA Free Silicone Comfortable and Precise Fit for Better Suction
Wevedk$7.924.7★

Nuliie 5-in-1 Flange Sizing Kit 12/14/16/18/20mm for 24mm Flange/Shield of Most Pumps 10PCS Silicone Flange Inserts to Boost Pumping Efficiency & Comfort BPA-Free Pump Essential for Moms
Nuliie$9.904.5★

10PC Flange Insert 13/15/17/19/21mm*2 Compatible with eufy S1 Pro/S1/E20/E10 Wearable Pump for Momcozy/Spectra/Medela/Elvie/Lansinoh/Paruu with 24mm Flange/Shield Pump
Wevedk$7.814.8★

2 Set Overall Pump Parts and 6pcs 17/19/21mm Flange Insert for eufy E20/S1/S1 Pro Pump Including Non-Heated 24mm Flange Collector Valves Diaphragms 17/19/21mm Inserts 2 Overall-Non-Heated
Wevedk$58.562.1★

2pcs 17mm Flange Insert Compatible with eufy S1 Pro/S1/E10/E20 Fit for Momcozy M9/M6/M5/S12 pro Breast Pump Replace for Spectra/Medela/MomMed/eufy/Lansinoh/Elvie with 24mm Flange/Shield
IVARONAL$7.884.1★
What buyers say about motif luna flanges
What buyers praise and complain about, mined from review topics.What buyers love
“Stays in place perfectly”
“Its a practical and well-made product”
“So comfortable”
“The kit was somewhat easy to use for the most part”
“Good product for price”
“The little cleaning sponge is wonderful”
“Does the job as advertised”
“Very helpful and useful for breastfeeding”
“durable”
“Compatible with Frida Mom manual pump”
What buyers complain about
“Does NOT fit”
“are not the same quality as the originals”
“Not compatible with Spectra”
“one of the flange inserts tore right apart immediately after opening”
“Flanges began not sealing and leaking”
“Very uncomfortable”
“Inconsistent Quality/Material”
“So bought these being cheap”
“Doesnt work”
“they are kind of a pain to insert and clean and the output isnt as good as just using the correct size pump accessory”
Top return reasons
Common questions
- Is motif luna flanges profitable to sell on Amazon United States?
- The niche generates $49K/yr across 25 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +20.4%. Flapen's verdict: Skip it (48/100).
- How competitive is the motif luna flanges niche?
- 7 brands and 10 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in motif luna flanges?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Compatibility-Overall. The return rate is 3.3%.
- When does demand for motif luna flanges peak?
- Demand peaks in Sep; the busiest month runs 1.6× the quietest.
- What does it cost to enter the motif luna flanges niche?
- Listings span $6.98–$58.56; the average listing price is $19.05 (sweet spot $15–$100). The average incumbent carries 758 reviews — the moat a new listing must climb.