flat dental floss
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible16.2%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Quality gap
Great4.0★avg incumbent rating — lower means beatable quality
Avg price
Great$17.20avg listing price — sweet spot $15–$100
Price range
Good$8.65–$31.87cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$161K$161K/yr · 58K searches
Review moat
Bad7,650.86avg incumbent reviews — the moat a new listing must climb
Growth
Bad-9.3%90-day search growth — must beat 0% to launch
Competition
Bad93%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, flat dental floss is a $161K/yr Amazon United States market (58K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 47/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
flat dental floss market data
- Units sold / yr
- 10K–13K
- avg 1,250–1,500/product
- Revenue / yr
- $172K–$215K
- units × avg price
- Conversion rate
- 16.2%
- Avg BSR
- #155
- Page quality
- 0%
- Prime
- 57%
- Sponsored
- 14%
- Out of stock
- 8.6%
- Avg brand age
- 63 months
- Avg seller age
- 155 days
Competition & brand share
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 falling
Sellers
67
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
93%
Top 20: 100%
Open market
0%
- Oral-B95%
- GLIDE5%
Demand
Weekly Amazon search volume, last 30 weeks — -9.3% search growth over the last 90 days.Top flat dental floss search terms
- oral b comfort plus floss11K/yr
- glide comfort plus dental floss13K/yr
- oral b glide comfort plus floss mint7K/yr
- flat dental floss5K/yr
- glide all in one comfort plus floss mint6K/yr
- glide pro health comfort plus floss5K/yr
- wide floss3K/yr
- oral b glide pro health comfort plus floss4K/yr
- oral b comfort plus dental floss3K/yr
Top flat dental 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.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Oral-B Glide Dental Floss Comfort Plus Mint 3 Pack (131.2 YD Total) Shred-Resistant Smooth Dental Tape for Tight Spaces Natural Wax Removes Plaque Gum Care Travel-Friendly
Oral-B$9.784.3★23,271 rev
Oral-B Glide All-In-One Dental Floss Mint 6 Count
Oral-B$22.974.3★737 rev
Oral-B Glide Pro-Health Comfort Plus Mint Flavor Floss 43-7yd (40m) 2 Count
Oral-B$10.714.3★23,271 rev
Oral-B Glide Pro-Health Comfort Plus Dental Floss Mint 43.7-Yard Dispenser Pack of 6
Oral-B$31.873.8★285 rev
Oral B Glide Comfort Plus Dental Floss Mint 43.7 Yd
GLIDE$8.653.4★74 rev
Newest
by launch date
Oral-B Glide Advanced Comfort Plus Floss 6 Count 40 m Each Total 240 m or 262.5 Yard
Oral-B$26.60253 rev
Oral-B Glide All-In-One Dental Floss Mint 6 Count
Oral-B$22.97737 rev
Oral-B Glide Dental Floss Comfort Plus Mint 3 Pack (131.2 YD Total) Shred-Resistant Smooth Dental Tape for Tight Spaces Natural Wax Removes Plaque Gum Care Travel-Friendly
Oral-B$9.7823,271 rev
Oral-B Glide Deep Clean Dental Floss Cool Mint 3 Pack (131.2 YD Total) - Shred-Resistant Smooth Dental Tape for Tight Spaces
Oral-B$9.855,665 rev
Oral-B Glide Pro-Health Comfort Plus Mint Flavor Floss 43-7yd (40m) 2 Count
Oral-B$10.7123,271 rev
Trending
90-day click momentumOral-B Glide Pro-Health Comfort Plus Dental Floss Mint 43.7-Yard Dispenser Pack of 6
Oral-B$31.873.8★
Oral B Glide Comfort Plus Dental Floss Mint 43.7 Yd
GLIDE$8.653.4★
Oral-B Glide Advanced Comfort Plus Floss 6 Count 40 m Each Total 240 m or 262.5 Yard
Oral-B$26.603.7★
Oral-B Glide Deep Clean Dental Floss Cool Mint 3 Pack (131.2 YD Total) - Shred-Resistant Smooth Dental Tape for Tight Spaces
Oral-B$9.854.3★
Oral-B Glide Dental Floss Comfort Plus Mint 3 Pack (131.2 YD Total) Shred-Resistant Smooth Dental Tape for Tight Spaces Natural Wax Removes Plaque Gum Care Travel-Friendly
Oral-B$9.784.3★
What buyers say about flat dental floss
What buyers praise and complain about, mined from review topics.What buyers love
“Theyre great and dont break easily”
“Great value”
“Its easy to hold onto”
“soft and thicker than normal, excellent”
“As advertised”
“so comfortable”
“Does not hurt my gums and works”
“it didn't break”
“cleans between very well”
“Deep cleans”
What buyers complain about
“Very cheap quality”
“Low Quality Material”
“difficult to remove”
“False advertising”
“This seemed thicker than the last time a bought it”
“definitely not the original Comfort plus I have been using for years”
“is extremely rough”
“breaks easily”
“Not worth the price”
“every single one does not function properly”
Top return reasons
Common questions
- Is flat dental floss profitable to sell on Amazon United States?
- The niche generates $161K/yr across 7 tracked products. 90-day search growth is -9.3%. Flapen's verdict: Skip it (47/100).
- How competitive is the flat dental floss niche?
- 2 brands and 67 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in flat dental floss?
- Top complaints mined from reviews: Quality-Overall, Material Quality, Ease Of Use. The return rate is 0.5%.
- What does it cost to enter the flat dental floss niche?
- Listings span $8.65–$31.87; the average listing price is $17.20 (sweet spot $15–$100). The average incumbent carries 7,651 reviews — the moat a new listing must climb.