Maternity Thong
Skip itA small market ($44K/yr) — this niche doesn't clear our bar today.
Avg price
Great$22.14avg listing price — sweet spot $15–$100
Price range
Great$8.47–$34.60cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.7%return rate — above 5% kills the launch gate
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Growth
Okay+0.0%90-day search growth — must beat 0% to launch
Review moat
Bad5,209.37avg incumbent reviews — the moat a new listing must climb
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$44K$44K/yr · 146K searches
Is maternity thong profitable on Amazon?
According to Flapen's Amazon United States niche tracking, maternity thong is a $44K/yr Amazon United States market (146K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 42/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
maternity thong market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $44K–$55K
- units × avg price
- Conversion rate
- 1.4%
- Avg BSR
- #13,490
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 4.1%
- Avg brand age
- 42 months
- Avg seller age
- 192 days
Competition: brands, sellers & click share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
14 rising
Sellers
15
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
47%
Top 20: 83%
Open market
14%
- Boguish28%
- KUKU PANDA26%
- Kindred Bravely16%
- Yuamose6%
- KUNINDOME5%
- Intimate Portal4%
- Open — no brand owns it (8 brands, 14%)
maternity thong demand & seasonality
Weekly Amazon search volume, last 104 weeks — +0.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top maternity thong search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- maternity thongs45K/yr
- maternity thong28K/yr
- maternity thong underwear21K/yr
- maternity underwear thong18K/yr
- pregnancy thongs10K/yr
- pregnancy thongs for women8K/yr
- maternity thongs for women4K/yr
- pregnancy thong4K/yr
- maternity shapewear thong4K/yr
- maternity thongs for pregnancy4K/yr
Top maternity thong products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.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
KUKU PANDA No Show Thongs for Women Ladies Maternity Comfortable Panties Seamless Underwear Set Athletic Workout Variety Pack (Black/White/Nude Medium)
KUKU PANDA$18.534.3★1,672 rev
Kindred Bravely Postpartum Thong Panty Comfortable Sustainable Maternity Underwear 5 Pack (Assorted Medium/Large)
Kindred Bravely$34.604.5★164 rev
KUKU PANDA No Show Thongs for Women Ladies Comfortable Maternity Panties Seamless Underwear Set Athletic Workout Variety Pack (Cute & Pink Medium)
KUKU PANDA$18.744.3★1,672 rev
Boguish Maternity Underwear Thong Over Bump - Pregnancy Shapewear Over Belly Support Seamless Pregnant Panties for Women
Boguish$29.664.2★139 rev
Boguish Maternity Underwear Thong for Women Pregnancy Shapewear Over The Belly Support Seamless Pregnant Panties 5-Pack
Boguish$32.584.3★74 rev
Newest
by launch date
LEVAO Maternity Thongs for Women V-cut Seamless Underwear No Show Soft Pregnancy Panties Breathable Women Thong 5 Pack (SXL)
LEVAO$21.4921 rev
Boguish Womens Maternity Thongs Panties Over the Bump Seamless Pregnancy Shapewear Belly Support High Waist Underwear 4-Pack
Boguish$29.5011 rev
Y25D Maternity Thongs for Women Seamless Maternity Underwear Over Bump Maternity Panties for Pregnancy Postpartum Black
Y25D$9.18115 rev
Boguish Maternity Underwear Thong for Women Pregnancy Shapewear Over The Belly Support Seamless Pregnant Panties 5-Pack
Boguish$32.5874 rev
Boguish Maternity Underwear Thong for Women Pregnancy Shapewear Over The Belly Support Seamless Pregnant Panties 5-Pack
Boguish$32.6574 rev
Trending
90-day click momentumLEVAO Maternity Thongs for Women V-cut Seamless Underwear No Show Soft Pregnancy Panties Breathable Women Thong 5 Pack (SXL)
LEVAO$21.494.4★
Boguish Maternity Underwear Thong Over Bump - Pregnancy Shapewear Over Belly Support Seamless Pregnant Panties for Women Black/Nude
Boguish$29.494.2★
Yuamose High Waist Postpartum Underwear & C-Section Recovery Maternity Panties Black Cotton Thongs For Women 6 Pack Size L Large
Yuamose$16.094.2★
Boguish Seamless Maternity Shapewear Over Belly Support Thong High Waist Underwear Panties for Pregnancy 3-Pack(Nude+Black+White) Size S
Boguish$25.794.4★
Y25D Maternity Thongs for Women Seamless Maternity Underwear Over Bump Maternity Panties for Pregnancy Postpartum Black
Y25D$9.184.3★
What reviews say buyers love and hate about maternity thong
What buyers praise and complain about, mined from review topics.What buyers love
“She said they were very comfortable and breathable”
“Fit as expected”
“Good quality”
“Super soft and breathable”
“Super breathable”
“comfy material”
“Great price”
“this is super comfy stretchy material”
“colors are accurate”
“they do the job they advertise”
What buyers complain about
“Terrible fit”
“Very uncomfortable”
“Not the best”
“Stretched out”
“Pricey”
“Size guide not accurate”
“Just not a fan of the material”
“Flimsy”
“sadly 2 pairs have holes in them already”
“you WILL be able to see it”
Top return reasons
Common maternity thong questions
- Is maternity thong profitable to sell on Amazon United States?
- The niche generates $44K/yr across 38 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.0%. Flapen's verdict: Skip it (42/100).
- How competitive is the maternity thong niche?
- 14 brands and 15 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in maternity thong?
- Top complaints mined from reviews: Size-Overall, Comfort-Overall, Quality-Overall. The return rate is 3.7%.
- When does demand for maternity thong peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the maternity thong niche?
- Listings span $8.47–$34.60; the average listing price is $22.14 (sweet spot $15–$100). The average incumbent carries 5,209 reviews — the moat a new listing must climb.