flex cups menstrual
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.8%return rate — above 6% kills the launch gate
Avg price
Incredible$22.90avg listing price — sweet spot $15–$100
Price range
Great$13.43–$34.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great10.1%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Good+23.8%90-day search growth — must beat 0% to launch
Review moat
Bad9,801.25avg incumbent reviews — the moat a new listing must climb
Market size
Bad$74K$74K/yr · 32K searches
Competition
Bad91%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
44
Top-5 brand share
100%
Open market
0%
- FLEX96%
- Shock Doctor2%
- Softcup2%
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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Flex Cup Starter Kit (Full Fit - Size 02) | Reusable Menstrual Cup + 2 Free Menstrual Discs | Pull-Tab for Easy Removal | Tampon + Pad Alternative | Lasts up to 10 Years | Capacity of 3 Super Tampons
FLEX$29.544.3★8,487 rev
Flex Menstrual Discs | Disposable Period Discs | Reduce Cramps & Dryness | Beginner-Friendly Tampon Alternative | Capacity of 5 Super Tampons | Made in Canada | 12 Count
FLEX$16.474.3★16,081 rev
Flex Reusable Disc | Reusable Menstrual Disc | Tampon Pad and Cup Alternative | Capacity of 6 Super Tampons | Lasts for Years | Includes Carrying Pouch & 2 Free Disposable Discs
FLEX$34.394.5★4,421 rev
Flex Cup Starter Kit (Full Fit - Size 01) | Reusable Menstrual Cup + 2 Free Menstrual Discs | Pull-Tab for Easy Removal | Tampon + Pad Alternative | Lasts up to 10 Years | Capacity of 2 Super Tampons
FLEX$29.614.3★8,487 rev
Flex Menstrual Discs | Disposable Period Discs | Reduce Cramps & Dryness | Beginner-Friendly Tampon Alternative | Capacity of 5 Super Tampons (24 Count)
FLEX$27.524.3★16,081 rev
Newest
by launch dateFlex Menstrual Discs | Disposable Period Discs | Reduce Cramps & Dryness | Beginner-Friendly Tampon Alternative | Capacity of 5 Super Tampons (24 Count)
FLEX$27.5216,081 rev
Flex Reusable Disc | Reusable Menstrual Disc | Tampon Pad and Cup Alternative | Capacity of 6 Super Tampons | Lasts for Years | Includes Carrying Pouch & 2 Free Disposable Discs
FLEX$34.394,421 rev
Flex Plant Plus Disc | Plant-Based Disposable Period Discs | Tampon and Cup Alternative | Capacity of 5 Super Tampons | Menstrual Disc Made with Sustainable Medical-Grade Plant Polymers | 12 Count
FLEX$17.041,434 rev
Flex Cup Starter Kit (Full Fit - Size 02) | Reusable Menstrual Cup + 2 Free Menstrual Discs | Pull-Tab for Easy Removal | Tampon + Pad Alternative | Lasts up to 10 Years | Capacity of 3 Super Tampons
FLEX$29.548,487 rev
Flex Cup Starter Kit (Full Fit - Size 01) | Reusable Menstrual Cup + 2 Free Menstrual Discs | Pull-Tab for Easy Removal | Tampon + Pad Alternative | Lasts up to 10 Years | Capacity of 2 Super Tampons
FLEX$29.618,487 rev
Trending
90-day click momentum
Shock Doctor Ultra Carbon Flex Cup Black Large
Shock Doctor$13.434.5★
Flex Cup Starter Kit (Full Fit - Size 02) | Reusable Menstrual Cup + 2 Free Menstrual Discs | Pull-Tab for Easy Removal | Tampon + Pad Alternative | Lasts up to 10 Years | Capacity of 3 Super Tampons
FLEX$29.544.3★
Flex Menstrual Discs | Disposable Period Discs | Reduce Cramps & Dryness | Beginner-Friendly Tampon Alternative | Capacity of 5 Super Tampons (24 Count)
FLEX$27.524.3★
Flex Menstrual Discs | Disposable Period Discs | Reduce Cramps & Dryness | Beginner-Friendly Tampon Alternative | Capacity of 5 Super Tampons | Made in Canada | 12 Count
FLEX$16.474.3★
Flex Reusable Disc | Reusable Menstrual Disc | Tampon Pad and Cup Alternative | Capacity of 6 Super Tampons | Lasts for Years | Includes Carrying Pouch & 2 Free Disposable Discs
FLEX$34.394.5★
Demand & seasonality
Weekly Amazon search volume, last 67 weeks — +23.8% search growth over the last 90 days.Peak months: Jul · busiest ÷ quietest = 1.7×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“It's comfortable”
“Easy to use”
“This product is even better than the 2 different cup brands I had used in the past”
“No leaks”
“Great alternative option for menstruators”
“Cleans easily”
“Worth It”
“this one is the best reusable one”
“Works great”
“I love the disposable flex discs”
What buyers complain about
“They leak”
“Difficult to use it at first”
“The cup is too big for me”
“kind of uncomfortable”
“And that is a messy”
“Did not work”
“it was extremely overpriced compared to other brands so I already wasn't thrilled”
“This thing came USED”
“so it kept slipping”
“painful to remove”