bottles compatible with spectra
Skip itA small market ($43K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$24.03avg listing price — sweet spot $15–$100
Price range
Great$13.41–$36.25cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,557.58avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.3%return rate — above 6% kills the launch gate
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Okay+1.4%90-day search growth — must beat 0% to launch
Market size
Bad$43K$43K/yr · 40K searches
Competition
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
9 flat
Sellers
12
Top-5 brand share
88%
Open market
8%
- Maymom50%
- Matyz18%
- COMI10%
- SPECTRA6%
- afontoto4%
- Momcozy3%
- Open — no brand owns it (3 brands, 8%)
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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Maymom Wide-Mouth Milk Storage Collection Bottle with SureSeal Sealing Disk; Compatible with Spectra/Motif Luna/Ameda MYA/Bellababy Pumps. Can Replace Spectra S1 S2 Bottles 6 pc (4.7Oz/140mL 6pc)
Maymom$21.464.8★2,964 rev
Maymom Wide-Mouth Milk Storage Collection Bottle with Travel Cap and Sealing Ring ; Replacement to Spectra S1 S2 Avent Natural Avent Classic Bottles Motif Luna Twist Bottles Ameda MYA Bottle; 4pc
Maymom$20.634.8★1,597 rev
Matyz Glass Breastmilk Storage Bottles 6 Pack 6 oz Compatible with Spectra Medela Breast Pump - Freezer Safe Storage Bottles Set - Wide Mouth Breastmilk Storage Containers - No BPA (Blue Lids)
Matyz$36.254.6★349 rev
Maymom Wide Neck Breastmilk Collection and Storage Bottle 9oz; Remarkable SureSeal Disc. Compatible with Spectra S2 Spectra S1 Spectra 9+ and Avent Breast Pumps
Maymom$20.824.8★1,163 rev
Matyz Glass Breastmilk Storage Containers 4 Pack 6 oz Bottle Fit with Spectra Medela Avent Pump - Wide Mouth Breastmilk Collection and Storage Bottle with Lids - No BPA (2 Green & 2 Blue Lids)
Matyz$26.784.6★349 rev
Newest
by launch date
6PCS Breastmilk Storage Bottle BPA Free Wide-Neck Spectra Bottles for Pumping Storage Collection Baby Bottles for Fridge & Momcozy Breast Milk Cooler Breastfeeding Bottle 10 oz
afontoto$24.2499 rev
6PCS Breastmilk Storage Bottle Compatible with Spectra S1/S2/SG/9Plus /Motif Luna Flange Wide-Neck Spectra Bottles for Pumping Baby Bottle Storage with Lid Fit Momcozy Breast Milk Cooler 22oz Pink
afontoto$21.5888 rev
4 Full Pump Parts Kits for Spectra S1/S2/9 Plus/Synergy Gold Replacement Kit for Spectra Pump Parts 4PC Include 16mm Flange Duckbill Valve Tube Bottle Backflow Protector Not Original Accessories
IVARONAL$34.89194 rev
4 Full Pump Parts Kits for Spectra S1/S2/9 Plus/Synergy Gold Replacement Kit for Spectra Pump Parts 4PC Include 19mm Flange Duckbill Valve Tube Bottle Backflow Protector Not Original Accessories
IVARONAL$35.20195 rev
Spectra - Wide Neck Baby Bottles - Compatible with Spectra Breast Milk Pump Flanges (Pack of 4)
SPECTRA$30.266,300 rev
Trending
90-day click momentum6PCS Breastmilk Storage Bottle BPA Free Wide-Neck Spectra Bottles for Pumping Storage Collection Baby Bottles for Fridge & Momcozy Breast Milk Cooler Breastfeeding Bottle 10 oz
afontoto$24.244.6★
4 Full Pump Parts Kits for Spectra S1/S2/9 Plus/Synergy Gold Replacement Kit for Spectra Pump Parts 4PC Include 19mm Flange Duckbill Valve Tube Bottle Backflow Protector Not Original Accessories
IVARONAL$35.204.3★
Matyz Glass Breastmilk Storage Containers 4 Pack 6 oz Bottle Fit with Spectra Medela Avent Pump - Wide Mouth Breastmilk Collection and Storage Bottle with Lids - No BPA (2 Green & 2 Blue Lids)
Matyz$26.784.6★
6PCS Breastmilk Storage Bottle Compatible with Spectra S1/S2/SG/9Plus /Motif Luna Flange Wide-Neck Spectra Bottles for Pumping Baby Bottle Storage with Lid Fit Momcozy Breast Milk Cooler 22oz Pink
afontoto$21.584.8★
4 Full Pump Parts Kits for Spectra S1/S2/9 Plus/Synergy Gold Replacement Kit for Spectra Pump Parts 4PC Include 16mm Flange Duckbill Valve Tube Bottle Backflow Protector Not Original Accessories
IVARONAL$34.894.3★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +1.4% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 2.1×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Storage capacity: The size is practical”
“Great size”
“They don't leak”
“Good quality glass”
“Easy to use”
“Good for the price”
“Easy to Clean”
“True to description”
“great for breastfed kiddos”
“durable”
What buyers complain about
“These bottles DO leak”
“They don't fit”
“NOT the same bottles”
“No flat edge”
“Looks so cheap in bag”
“expensive”
“design needs improvement”
“They are cheap plastic”
“Used Bottles”
“HAS LEAD”