Girls Bikini Underwear Size 12
Worth a lookShows a sweet-spot price point ($25.73 avg), but a small market ($44K/yr) keeps it on the watch list.
Avg price
Incredible$25.73avg listing price — sweet spot $15–$100
Competition
Great26%top-5 click share — an open shelf
Returns
Great1.7%return rate — above 5% kills the launch gate
Price range
Great$10.06–$41.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+24.0%90-day search growth — must beat 0% to launch
Review moat
Okay1,523.93avg incumbent reviews — the moat a new listing must climb
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$44K$44K/yr · 95K searches
Is girls bikini underwear size 12 profitable on Amazon?
According to Flapen's Amazon United States niche tracking, girls bikini underwear size 12 is a $44K/yr Amazon United States market (95K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in May–Jun. Verdict: Worth a look — 50/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
girls bikini underwear size 12 market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $39K–$51K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #70
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 95%
- Out of stock
- 7.5%
- Avg brand age
- 42 months
- Avg seller age
- 144 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.Brands
14 falling
Sellers
19
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
26%
Top 20: 58%
Open market
9%
- Lucky & Me45%
- Burt's Bees Baby16%
- Hanes10%
- BAMBOO COOL10%
- Barara King5%
- Winging Day4%
- Open — no brand owns it (8 brands, 9%)
girls bikini underwear size 12 demand & seasonality
Weekly Amazon search volume, last 104 weeks — +24.0% search growth over the last 90 days.Peak months: May, Jun · busiest ÷ quietest = 2.0×
Top girls bikini underwear size 12 search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- lucky and me girls underwear26K/yr
- organic girls underwear13K/yr
- hanna andersson underwear11K/yr
- organic underwear girls13K/yr
- organic cotton underwear toddler girl5K/yr
- organic cotton kids underwear6K/yr
- girls organic underwear7K/yr
- lucky and me6K/yr
- lucky me underwear girls3K/yr
- lucky and me underwear3K/yr
Top girls bikini underwear size 12 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
Lucky & Me Gracie Girls Briefs 100% Organic Cotton Underwear 7 Pack (US Age 7 Years 8 Years Seahorse)
Lucky & Me$39.394.7★1,228 rev
Lucky & Me Ryleigh Girls Bikini | Childrens Organic Cotton Tagless Underwear | 7-Pack
Lucky & Me$39.194.6★66 rev
Hanes Girls Organic Underwear Brief & Hipster Toddler & Girl Sizes Pure Comfort 100% Cotton Panties 8-Pack
Hanes$12.084.6★1,827 rev
Burts Bees Baby Toddler Girls Underwear Organic Cotton Panties Tag-Free Comfort Briefs Pack of 5
Burt's Bees Baby$18.774.9★1,444 rev
BAMBOO COOL Girls Underwear Tagless Bamboo Viscose Soft Full Coverage Kids Panties 6-14 Years Briefs 6-Pack
BAMBOO COOL$26.434.8★203 rev
Newest
by launch date
BAMBOO COOL Girls Underwear Breathable Moisture-Wicking 6-14Y Panties Lightweight Soft Sensory Friendly Briefs 6 Pack
BAMBOO COOL$26.48226 rev
BAMBOO COOL Girls Underwear Tagless Bamboo Viscose Soft Full Coverage Kids Panties 6-14 Years Briefs 6-Pack
BAMBOO COOL$25.93203 rev
BAMBOO COOL Girls Underwear Tagless Bamboo Viscose Soft Full Coverage Kids Panties 6-14 Years Briefs 6-Pack
BAMBOO COOL$26.43203 rev
Lucky & Me Gracie Girls Briefs 100% Organic Cotton Underwear 7 Pack (US Age 7 Years 8 Years Seahorse)
Lucky & Me$39.391,228 rev
Lucky & Me Erica Girls GOTS Organic Cotton Bikinis 6 Pack (US Age 9 Years 10 Years Fairground Fun)
Lucky & Me$37.29253 rev
Trending
90-day click momentum
Winging Day Little Girls Assorted Prints Cotton Panties Size 6 (6-Pack)
Winging Day$17.004.7★
BAMBOO COOL Girls Underwear Tagless Bamboo Viscose Soft Full Coverage Kids Panties 6-14 Years Briefs 6-Pack
BAMBOO COOL$25.934.8★
Lucky & Me Gracie Girls Briefs 100% Organic Cotton Underwear 7 Pack (US Age 7 Years 8 Years Seahorse)
Lucky & Me$39.394.7★
BAMBOO COOL Girls Underwear Breathable Moisture-Wicking 6-14Y Panties Lightweight Soft Sensory Friendly Briefs 6 Pack
BAMBOO COOL$26.484.9★
Barara King Little Girls Undies Soft Cotton Panties Kids Underwear (Pack of 6) Size 5
Barara King$15.114.8★
What reviews say buyers love and hate about girls bikini underwear size 12
What buyers praise and complain about, mined from review topics.What buyers love
“Super comfortable”
“Well made and they are comfortable on the kids”
“So soft”
“fit well grandkids love them”
“Great value”
“Good material”
“have cute designs”
“The colors are bright”
“breathable”
“Soft fabric and elastic bands don't leave marks”
What buyers complain about
“To small”
“0 stars- caused horrible skin irritation for my daughter”
“Poor quality elastic”
“Waste of money”
“Very thin”
“not soft I finally found these”
“Scratchy and not comfortable”
“They dont absorb at all”
“shrunk so much granddaughter couldnt wear them”
“Look like cheap”
Top return reasons
Common girls bikini underwear size 12 questions
- Is girls bikini underwear size 12 profitable to sell on Amazon United States?
- The niche generates $44K/yr across 76 tracked products. 12 of 14 products launched in the last 360 days are still selling. 90-day search growth is +24.0%. Flapen's verdict: Worth a look (50/100).
- How competitive is the girls bikini underwear size 12 niche?
- 14 brands and 19 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in girls bikini underwear size 12?
- Top complaints mined from reviews: Size-Overall, Allergies, Stretchability/Expandability/Elasticity. The return rate is 1.7%.
- When does demand for girls bikini underwear size 12 peak?
- Demand peaks in May–Jun; the busiest month runs 2.0× the quietest.
- What does it cost to enter the girls bikini underwear size 12 niche?
- Listings span $10.06–$41.22; the average listing price is $25.73 (sweet spot $15–$100). The average incumbent carries 1,524 reviews — the moat a new listing must climb.