Is thick floss profitable to sell on Amazon United States?

The niche generates $5.4M/yr across 10 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.4%. Flapen's verdict: Worth a look (56/100).

How competitive is the thick floss niche?

2 brands and 14 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in thick floss?

Top complaints mined from reviews: Value For Money, Thickness, Ease Of Use. The return rate is 0.1%.

What does it cost to enter the thick floss niche?

Listings span $5.80–$36.71; the average listing price is $18.53 (sweet spot $15–$100). The average incumbent carries 11,592 reviews — the moat a new listing must climb.

thick floss

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Market size

Incredible$5.4M

$5.4M/yr · 2.3M searches

Conversion

Incredible12.7%

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

Avg price

Great$18.53

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Price range

Good$5.80–$36.71

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

Growth

Bad-8.4%

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

Review moat

Bad11,592.4

avg incumbent reviews — the moat a new listing must climb

Competition

Bad80%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, thick floss is a $5.4M/yr Amazon United States market (2.3M searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 56/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

thick floss market data

Units sold / yr: 300K–400K; avg 50,000–60,000/product
Revenue / yr: $5.6M–$7.4M; units × avg price
Conversion rate: 12.7%
Avg BSR: #47
Page quality: 0%
Prime: 100%
Sponsored: 90%
Out of stock: 0.0%
Avg brand age: 53 months
Avg seller age: 132 days

Competition & brand share

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

80%

Top 20: 100%

Open market

Cocolab97%
Burst3%

Demand

Weekly Amazon search volume, last 26 weeks — -8.4% search growth over the last 90 days.

Open Trend

Top thick floss search terms

cocofloss1.2M/yr -15.4%10.0% conv.
coco floss454K/yr -24.8%8.5% conv.
cocolab floss144K/yr +38.1%7.0% conv.
cocofloss dental floss109K/yr +36.0%7.6% conv.
cocolab78K/yr +28.1%4.5% conv.
coco floss dental floss100K/yr +4.1%7.7% conv.
cocolab dental floss40K/yr +23.3%8.5% conv.
coconut floss37K/yr +8.3%8.6% conv.
thick floss35K/yr +10.8%3.3% conv.
coco labs floss14K/yr +28.3%7.5% conv.

All search terms

Top thick floss 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 10 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Strawberry Scent 1 Pack

Cocolab$9.984.5★21,122 rev

Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Mint Scent 3 Pack

Cocolab$28.354.5★21,122 rev

CocoPlush Floss Threaders by Cocolab Expanding Woven Floss with Built-in Threader for Braces Implants and Bridges Coconut Oil Infused Mint Scent 30 Count 1 Pack

Cocolab$10.004.0★1,487 rev

Cocofloss Expanding Woven Dental Floss by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Signature Set 4 Pack

Cocolab$36.714.5★21,122 rev

Cocofloss Expanding Woven Dental Floss Refill by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Mint Scent 3 Pack Refills

Cocolab$23.914.5★21,122 rev

Newest

by launch date

Cocoshine 15% Nano-Hydroxyapatite Formula Toothpaste by Cocolab Fluoride-Free with Xylitol & Coconut Oil Sensitive Teeth Whitening Formula for Adults & Kids Mint 4 oz

Cocolab$14.48437 rev

8mo ago

Kids Reflosser by Cocolab Reusable Floss Holder BPA Free Flosser for Children Easy to Use Kids Floss Pick for Ages 5 and Under 1 Pack Cocofloss Not Included

Cocolab$13.87157 rev

1y ago

Cocofloss Expanding Woven Dental Floss Refill by Cocolab Waxed Tooth Floss for Daily Oral Care Coconut Oil Infused Vegan for Adults and Kids Mint Scent 3 Pack Refills

Cocolab$23.9121,122 rev

2y ago

BURST Expanding Dental Floss (Mint Eucalyptus/40 Yards) | Stain Absorbing & Woven Tooth Floss with Xylitol Coating to Fight Cavities | Vegan | Paraben Free Expanding Floss

Burst$5.802,106 rev

2y ago

CocoPlush Floss Threaders by Cocolab Expanding Woven Floss with Built-in Threader for Braces Implants and Bridges Coconut Oil Infused Mint Scent 30 Count 1 Pack

Cocolab$10.001,487 rev

3y ago

What buyers say about thick floss

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

What buyers love

Quality-Overall15%

“Excellent quality with beautiful blue colour”

Cleansing10%

“cleans really well”

Value For Money10%

“Good deal”

Tooth Brightening8%

“Whiter teeth”

Ease Of Use6%

“Easy To Use”

Thickness5%

“This floss is thick”

Ease Of Cleaning4%

“Cleans well”

Tooth Sensitivity4%

“No tooth sensitivity”

Efficiency4%

“honestly does the job effectively”

Advertised Vs Actual Product3%

“Exactly what I needed”

What buyers complain about

Value For Money23%

“It is expensive”

Thickness12%

“Its thicker than store bought”

Ease Of Use9%

“is incredibly hard to open”

Durability7%

“Breaks easily”

Quality-Overall5%

“Very cheap quality”

Functionality-Overall5%

“dont work well”

Strength3%

“Brittle”

Advertised Vs Actual Product3%

“Inaccurate description”

Stretchability/Expandability/Elasticity2%

“not the same, very thin and not expanding”

Size-Overall2%

“short”

Top return reasons

Advertised Vs Actual Product15%

Functionality-Overall13%

Value For Money8%

Defective Material/Parts8%

Thickness7%

Size-Overall6%

Ease Of Use5%

Stretchability/Expandability/Elasticity4%

Product Condition3%

Smell3%

Common questions

Is thick floss profitable to sell on Amazon United States?: The niche generates $5.4M/yr across 10 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.4%. Flapen's verdict: Worth a look (56/100).
How competitive is the thick floss niche?: 2 brands and 14 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in thick floss?: Top complaints mined from reviews: Value For Money, Thickness, Ease Of Use. The return rate is 0.1%.
What does it cost to enter the thick floss niche?: Listings span $5.80–$36.71; the average listing price is $18.53 (sweet spot $15–$100). The average incumbent carries 11,592 reviews — the moat a new listing must climb.