elvie stride flange inserts
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$18.57avg listing price — sweet spot $15–$100
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Price range
Great$9.68–$33.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Okay$203K$203K/yr · 131K searches
Returns
Okay4.2%return rate — above 6% kills the launch gate
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Review moat
Bad4,121avg incumbent reviews — the moat a new listing must climb
Growth
Bad-15.0%90-day search growth — must beat 0% to launch
Brand share
Bad96%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
7 falling
Sellers
17
Top-5 brand share
96%
Open market
2%
- Elvie69%
- TB Tbuymax17%
- Maymom4%
- MilkFlow3%
- IVARONAL3%
- Nursi Luna3%
- Open — no brand owns it (1 brand, 2%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Elvie - Breast Pump Valve and Spout Kit - Accessories for Breastmilk Storage Pumps & Breastfeeding Essentials - 2 Pack
Elvie$14.424.3★11,213 rev
TB Tbuymax 8pc Duckbill Valves 4pc Pump Seals Diaphragm Compatible with Wearable Elvie Breast Pump and Pump Parts Replacement Membrane Parts
TB Tbuymax$18.174.6★175 rev
Elvie Pump - Breastmilk Storage Bottles - BPA Free - Breast Feeding Essentials - 3 Pack
Elvie$33.454.8★894 rev
Elvie Breast Pump Breast Shield - 21mm - Nipple Flange for Pumping Breast Milk - Accessories & Breastfeeding Essentials for Electric Pumps - BPA Free Dishwasher Safe - 2 Pack
Elvie$23.584.3★11,213 rev
Elvie - Breast Pump Seals - Accessories for Breastmilk Storage Pumps & Breastfeeding Essentials - 2 Pack
Elvie$16.394.3★11,213 rev
Newest
by launch date
Replacement Parts 6 Duckbill Valves & 4 Pump Seals Diaphragm with Storage Case Compatible with Elvie Breast Pump Parts BPA Free Elvie Pump Accessories Wearable Breast Pump Replacement Parts Kit
MilkFlow$20.069 rev
2pcs Duckbill Valves and 2pcs Pump Seals Diaphragm Compatible with Elvie Breast Pump Replace for Elvie Pump Valves and Diaphragm Pump Seal Used for Original Flange Not Original Parts
IVARONAL$9.9962 rev
TB Tbuymax 2pc Diaphragm and 6pc Duckbill Valves Compatible with Elvie Stride Breast Pump Parts Replace for Elvie Stride Pump Not Original Pump Seals Membrane Accessories
TB Tbuymax$18.20177 rev
TB Tbuymax 8pc Duckbill Valves 4pc Pump Seals Diaphragm Compatible with Wearable Elvie Breast Pump and Pump Parts Replacement Membrane Parts
TB Tbuymax$18.17175 rev
Maymom 16mm Flange Insert Compatible with Elvie Single/Double Electric Elvie Stride 24mm Wearable Cup Not Original Elvie Stride Replacement Pump Parts
Maymom$14.593,517 rev
Trending
90-day click momentumReplacement Parts 6 Duckbill Valves & 4 Pump Seals Diaphragm with Storage Case Compatible with Elvie Breast Pump Parts BPA Free Elvie Pump Accessories Wearable Breast Pump Replacement Parts Kit
MilkFlow$20.064.8★
Maymom 16mm Flange Insert Compatible with Elvie Single/Double Electric Elvie Stride 24mm Wearable Cup Not Original Elvie Stride Replacement Pump Parts
Maymom$14.594.5★
Elvie - Nipple Cushions - 15mm - Soft Silicone to Enhance fit for Improved Comfort and Efficiency - Accessories & Breastfeeding Essentials - BPA Free Dishwasher Safe - 2 Count
Elvie$18.614.2★
Elvie - Breast Pump Valve and Spout Kit - Accessories for Breastmilk Storage Pumps & Breastfeeding Essentials - 2 Pack
Elvie$14.424.3★
TB Tbuymax 2pc Diaphragm and 6pc Duckbill Valves Compatible with Elvie Stride Breast Pump Parts Replace for Elvie Stride Pump Not Original Pump Seals Membrane Accessories
TB Tbuymax$18.204.6★
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — -15.0% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 2.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“The best sizing kit”
“One thing that really stood out to me was how well-made”
“Comfortable”
“Great price”
“The little cleaning sponge is wonderful”
“Easy to use”
“It performs exactly as intended”
“Very helpful and useful for breastfeeding”
“Compatible with Frida Mom manual pump”
“durable”
What buyers complain about
“These are huge”
“Did not work”
“Would expect higher quality control from a company who is knowingly serving pregnant and postpartum women”
“one of the flange inserts tore right apart immediately after opening”
“Expensive for a single pair”
“Horrible product, pieces missing, and some pieces broken”
“Item arrived used”
“Incompatible with Elvie Stride”
“And now its caused an allergic reaction”
“Semi-useful”