Is bathing suit inserts profitable to sell on Amazon United States?

The niche generates $91K/yr across 42 tracked products. 12 of 20 products launched in the last 360 days are still selling. 90-day search growth is +111.0%. Flapen's verdict: Worth a look (64/100).

How competitive is the bathing suit inserts niche?

30 brands and 48 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 51% of demand.

What do buyers complain about in bathing suit inserts?

Top complaints mined from reviews: Adhesion/Stickiness, Size-Overall, Functionality-Overall. The return rate is 2.8%.

When does demand for bathing suit inserts peak?

Demand peaks in May–Jun–Jul; the busiest month runs 9.5× the quietest.

What does it cost to enter the bathing suit inserts niche?

Listings span $8.66–$29.60; the average listing price is $17.14 (sweet spot $15–$100). The average incumbent carries 2,394 reviews — the moat a new listing must climb.

bathing suit inserts

Worth a look

Shows demand growing +111.0% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+111.0%

90-day search growth — must beat 0% to launch

Brand share

Great51%

top-5 brand share — no brand owns this niche

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Avg price

Great$17.14

avg listing price — sweet spot $15–$100

Competition

Good41%

top-5 click share — leaders hold, buyers still browse

Price range

Good$8.66–$29.60

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Good2.8%

return rate — above 5% kills the launch gate

Conversion

Okay3.3%

search→purchase rate — share of searches ending in a sale

Review moat

Okay2,394.38

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$91K

$91K/yr · 162K searches

Signals Trending No Dominant Brand

According to Flapen's Amazon United States niche tracking, bathing suit inserts is a $91K/yr Amazon United States market (162K searches/yr). The top 5 brands hold 51% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 64/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

bathing suit inserts market data

Units sold / yr: 5K–6K; avg 100–250/product
Revenue / yr: $86K–$103K; units × avg price
Conversion rate: 3.3%
Avg BSR: #255
Page quality: 0%
Prime: 100%
Sponsored: 95%
Out of stock: 3.6%
Avg brand age: 32 months
Avg seller age: 170 days

Competition & brand share

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.

Brands

30 rising

Sellers

Top-5 brand share

51%

Top 20: 93%

Top-5 click share

41%

Top 20: 80%

Open market

45%

SERMICLE15%
Mearter11%
KSang9%
Nimiah8%
Epiphany LA8%
DesirTop4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +111.0% search growth over the last 90 days.

Peak months: May, Jun, Jul · busiest ÷ quietest = 9.5×

Open Trend

Top bathing suit inserts search terms

bathing suit inserts29K/yr +98.4%1.6% conv.
bikini inserts18K/yr +106.6%1.3% conv.
swimsuit bra inserts17K/yr +114.1%2.1% conv.
bra inserts for swimsuits9K/yr +218.2%1.9% conv.
swimsuit padding inserts10K/yr +123.2%3.0% conv.
bathing suit bra inserts11K/yr +110.5%2.3% conv.
swimsuit inserts10K/yr +85.1%1.8% conv.
bathing suit padding inserts7K/yr +130.4%2.7% conv.
bathing suit cups inserts7K/yr +91.7%2.6% conv.
swimsuit pads6K/yr +86.1%2.7% conv.

All search terms

Top bathing suit inserts products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

SERMICLE Bra Pad Inserts 4 Pairs Bra Pads Sewn Padded for Sports Bra A/B C/D Cup Beige Black Optional (A/B Cup Beige)

SERMICLE$14.294.3★7,385 rev

Mearter Ultra Push up Sticky Bra Pads Inserts | Double Sided Adhesive Bra Inserts | Stick on Bra for Sports Bra Swimsuit (Medium Beige)

Mearter$19.684.1★2,989 rev

Epiphany LA Womens Push Up Padding Inserts for Swimsuits Sports Bras and Clothing (1 B Cup - 1 Pair) Beige

Epiphany LA$29.604.1★1,521 rev

Nimiah Waterproof Swimsuit Cups Insert - 2 Pairs Bathing Suit Padding Add Instant Volume Comfy Removable Bra Replacement Pads for Bikini Tops Beige

Nimiah$19.684.0★93 rev

KSang Waterproof Bathing Suit Cups Inserts - 4 Pairs Swimsuit Pads Insert Push up for Women | Sewn-Edge Bikini Padding Insert Beige for A/B

KSang$14.514.3★345 rev

Newest

by launch date

UOTJCNR Ultra Boost Sticky Bra Pads Inserts Double Sided Adhesive Push Up Padding Inserts for Women Bras Bikini Swimsuits Beige

UOTJCNR$14.6237 rev

2mo ago

OXYSAIKO Silicone Bra Inserts Push up Breast Pads Invisible Bra Padding Waterpoof Bust Enhancer Size Medium

OXYSAIKO$17.989 rev

2mo ago

DEPOVOR Double-Sided Adhesive Bra Inserts Large Size Lightly Padded for D+ Cups Reusable Lifting Enhancers for Large Busts Beige

DEPOVOR$19.7368 rev

3mo ago

Dandelion Pact Double Sided Sticky Bra Inserts Invisible Push Up Sticky Bra Pads for Large Breasts Stick on Bra for Bikini Swimsuits (Medium Light Beige)

Dandelion Pact$15.22609 rev

3mo ago

JCOHL Double Sided Adhesive Bra Inserts - Breathable Memory Foam Push Up Pads for Swimsuits & Sports Bras + with Pair of Reusable Silicone Sticky Bra for Backless Dresses (Medium Beige)

JCOHL$20.8350 rev

4mo ago

What buyers say about bathing suit inserts

What buyers praise and complain about, mined from review topics.

What buyers love

Adhesion/Stickiness16%

“Sticks well”

Comfort-Overall14%

“Comfortable and lightweight”

Quality-Overall10%

“Versatile and Great Quality Set”

Size-Overall8%

“It fits like a glove”

Shape/Style5%

“Good shape”

Ease Of Use4%

“Easy To use”

Durability3%

“holds up really well”

Soft Feel3%

“They are soft”

Value For Money3%

“Worth the buy”

Advertised Vs Actual Product3%

“Arrived as described”

What buyers complain about

Adhesion/Stickiness23%

“Not very sticky at all”

Size-Overall11%

“Too small”

Functionality-Overall4%

“doesn't stay on”

Value For Money4%

“overpriced for”

Thickness3%

“The edges are thick”

Quality-Overall3%

“Poor Quality”

Shape/Style3%

“The look was not flattering”

Durability3%

“But the last couple of times they did not last more than a week”

Allergies3%

“Causes irritation”

Sweat Resistance2%

“you sweat a lot”

Top return reasons

Size-Overall45%

Adhesion/Stickiness18%

Functionality-Overall6%

Advertised Vs Actual Product4%

Shape/Style4%

Chest Fit4%

Cushion3%

Value For Money2%

Weight Heavy1%

Thickness1%

Common questions

Is bathing suit inserts profitable to sell on Amazon United States?: The niche generates $91K/yr across 42 tracked products. 12 of 20 products launched in the last 360 days are still selling. 90-day search growth is +111.0%. Flapen's verdict: Worth a look (64/100).
How competitive is the bathing suit inserts niche?: 30 brands and 48 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 51% of demand.
What do buyers complain about in bathing suit inserts?: Top complaints mined from reviews: Adhesion/Stickiness, Size-Overall, Functionality-Overall. The return rate is 2.8%.
When does demand for bathing suit inserts peak?: Demand peaks in May–Jun–Jul; the busiest month runs 9.5× the quietest.
What does it cost to enter the bathing suit inserts niche?: Listings span $8.66–$29.60; the average listing price is $17.14 (sweet spot $15–$100). The average incumbent carries 2,394 reviews — the moat a new listing must climb.