black thread
Skip itPrices mostly outside the sweet spot ($3.86–$14.83) — this niche doesn't clear our bar today.
Conversion
Incredible17.1%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Market size
Good$374K$374K/yr · 311K searches
Brand share
Good73%top-5 brand share — brands hold most of the demand
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad5,049.1avg incumbent reviews — the moat a new listing must climb
Growth
Bad-8.1%90-day search growth — must beat 0% to launch
Avg price
Bad$7.04avg listing price — sweet spot $15–$100
Price range
Bad$3.86–$14.83cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, black thread is a $374K/yr Amazon United States market (311K searches/yr). The top 5 brands hold 73% of demand. Verdict: Skip it — 48/100.
Data updated Jul 20, 2026 · scored weekly · How we score niches
black thread market data
- Units sold / yr
- 50K–60K
- avg 2,500–3,000/product
- Revenue / yr
- $352K–$422K
- units × avg price
- Conversion rate
- 17.1%
- Avg BSR
- #93
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 1.8%
- Avg brand age
- 54 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
16 flat
Sellers
66
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
61%
Top 20: 100%
Open market
22%
- Coats & Clark24%
- Simthread22%
- ZMAAGG12%
- SINGER9%
- Coats & Clark Inc.5%
- Arikit5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top black thread search terms
- black thread112K/yr
- black thread for sewing86K/yr
- black sewing thread47K/yr
- black thread for sewing machine20K/yr
- sewing thread black7K/yr
- black sewing machine thread8K/yr
- hilo negro para coser ropa7K/yr
- black thread for hand sewing6K/yr
- black polyester thread4K/yr
- hilo negro3K/yr
Top black thread 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 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
COATS & CLARK 230A-2 Dual Duty All-Purpose Thread 400 Yards/1 Spool of Yarn Black
Coats & Clark$5.764.7★3,515 rev
Simthread All Purpose Thread Polyester 400 Yards (2 Black)
Simthread$6.034.6★2,897 rev
ZMAAGG Sewing Thread 200 Yards Per Roll Black Thread for Sewing Sewing String for Sewing Machine Hand Stitching Embroidery
ZMAAGG$3.894.2★555 rev
Singer 60110All Purpose Polyester Thread 150 Yards Black
SINGER$5.444.7★10,846 rev
Simthread All Purpose Thread Polyester 400 Yards Each (1 White 1 Black)
Simthread$6.104.6★2,897 rev
Newest
by launch date
AOFITOA Thread for Sewing All Purpose Thread Polyester (3 White 3 Black) 400 Yards Each Spool with Sewing Needle & Threader Sewing Threads for Sewing Machine Hand Stitching Embroidery.
AOFITOA$4.0141 rev
All Purpose Sewing Thread-2 Spools of Hand Polyester Sewing Thread with 3needles 1 Needle Threader for Sewing Machine for Hand and Machine Sewing(Black 2 spools)
QCZKB$5.38268 rev
ZMAAGG Sewing Thread 200 Yards Per Roll Black Thread for Sewing Sewing String for Sewing Machine Hand Stitching Embroidery
ZMAAGG$3.89555 rev
Bupete 8 Rolls Black Thread for Sewing 200 Yards Each Roll Sewing Thread Polyester Threads for Sewing Machine Embroidery Hand Stitching
Bupete$4.24110 rev
ZMAAGG Thread for Sewing-1 Pcs Black and 1 Pcs White 200 Yards Per Roll Polyester Thread Sewing String for Sewing Machine Hand Stitching Embroidery
ZMAAGG$3.86555 rev
Trending
90-day click momentumBupete 8 Rolls Black Thread for Sewing 200 Yards Each Roll Sewing Thread Polyester Threads for Sewing Machine Embroidery Hand Stitching
Bupete$4.244.2★
Singer 60110All Purpose Polyester Thread 150 Yards Black
SINGER$5.444.7★
Singer 67110 Button & Carpet Sewing Thread 50-Yards Black 3.80 x 1.50 x 2.50 inches
SINGER$6.154.6★
AOFITOA Thread for Sewing All Purpose Thread Polyester (3 White 3 Black) 400 Yards Each Spool with Sewing Needle & Threader Sewing Threads for Sewing Machine Hand Stitching Embroidery.
AOFITOA$4.014.2★
ilauke 2 Black Sewing Thread - Spools of 1000 Yard Black Polyester All Purpose Thread for Hand Quilting and Sewing Machine Hand Stitching Embroidery
ilauke$6.854.2★
What buyers say about black thread
What buyers praise and complain about, mined from review topics.What buyers love
“Reliable Brand”
“Great Deal”
“As advertised”
“Stitches out nicely”
“Easy to use”
“feels sturdy”
“its easy to carry”
“I appreciate the color variety”
“held up really well”
“Would definitely recommend for hand sewing projects on thick material”
What buyers complain about
“Not good quality”
“Not true size”
“Thread thin”
“Not Useful”
“Breaks very easily”
“quite expensive for the same thing i can get at Walmart”
“Cheap sewing threads”
“False advertising”
“don't want to spend on so many colors or bundles”
“very poorly designed”
Top return reasons
Common questions
- Is black thread profitable to sell on Amazon United States?
- The niche generates $374K/yr across 20 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.1%. Flapen's verdict: Skip it (48/100).
- How competitive is the black thread niche?
- 16 brands and 66 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 73% of demand.
- What do buyers complain about in black thread?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Thickness. The return rate is 0.8%.
- When does demand for black thread peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the black thread niche?
- Listings span $3.86–$14.83; the average listing price is $7.04 (sweet spot $15–$100). The average incumbent carries 5,049 reviews — the moat a new listing must climb.