black thread
Worth a lookShows searches that convert (21.7% search→purchase), but prices mostly outside the sweet spot ($1.19–$8.61) keeps it on the watch list.
Conversion
Incredible21.7%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Brand share
Good73%top-5 brand share — brands hold most of the demand
Review moat
Okay1,767.21avg incumbent reviews — the moat a new listing must climb
Growth
Bad-6.7%90-day search growth — must beat 0% to launch
Market size
Bad£80K£80K/yr · 101K searches
Avg price
Bad£3.65avg listing price — sweet spot $15–$100
Price range
Bad£1.19–£8.61cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, black thread is a £80K/yr Amazon United Kingdom market (101K searches/yr). The top 5 brands hold 73% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
black thread market data
- Units sold / yr
- 20K–25K
- avg 750–1,000/product
- Revenue / yr
- £73K–£91K
- units × avg price
- Conversion rate
- 21.7%
- Avg BSR
- #184
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 48%
- Out of stock
- 0.0%
- Avg brand age
- 34 months
- Avg seller age
- 191 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
16 rising
Sellers
89
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
50%
Top 20: 91%
Open market
21%
- Gütermann26%
- KORBOND21%
- Fogcosy11%
- Uskerb8%
- Fizzix7%
- D.A.Y. Republic5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -6.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top black thread search terms
- black thread34K/yr
- black cotton thread28K/yr
- black thread for sewing21K/yr
- black sewing thread14K/yr
- black sewing machine thread4K/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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Gutermann Sew-All Thread Polyester Black 100 m
Gütermann£3.004.7★2,196 rev
Fogcosy 2 Pcs Black Polyester Sewing Thread - 110 Yards Each Universal for Machine and Hand Sewing Ideal for All Materials and Fabrics
Fogcosy£3.924.2★98 rev
Korbond Sewing Thread - Black - 160m - Polyester - Hand and Sewing Machine Sewing
KORBOND£1.254.5★3,556 rev
Gutermann Natural Cotton Sewing Thread 100m Black 5201 - Each
Gütermann£3.734.5★67 rev
500m Sewing Thread Strong Multipurpose General Application Thread for Clothes Attaching Buttons Repairs Sewing Machines and Arts and Crafts (1pc Black Spool)
D.A.Y. Republic£3.294.4★852 rev
Newest
by launch date
2 Pcs Black Polyester Sewing Thread - 110 Yards Each Universal for Machine and Hand Sewing Ideal for All Materials and Fabrics
GZTINGI£3.403 rev
2-Pack High-Strength Black Polyester Sewing Thread 100m Each for Hand & Machine Stitching on All Fabric Types
Blunesta£2.572 rev
JOYVOX 2PCS Strong Polyester Pro Sewing Thread Polyester Sew-All Thread - Black 100m Length Universal for Machine and Hand Sewing
JOYVOX£2.2442 rev
2X 100m Gutermann Sew-All Polyester Thread for Hand or Machine Sewing Black Bundled by GetInStyle Shop
GETINSTYLE SHOP£5.6720 rev
2PCS Strong Polyester Pro Sewing Thread Black High Tensile Thread Spools for Hand & Machine Sewing Durable Polyester Threads for Garments Crafts & Repairs
Torveen£2.3414 rev
Trending
90-day click momentum2 Pcs Black Polyester Sewing Thread - 110 Yards Each Universal for Machine and Hand Sewing Ideal for All Materials and Fabrics
GZTINGI£3.404.6★
Korbond Sewing Thread - Black - 160m - Polyester - Hand and Sewing Machine Sewing
KORBOND£1.254.5★
2-Pack High-Strength Black Polyester Sewing Thread 100m Each for Hand & Machine Stitching on All Fabric Types
Blunesta£2.573.0★
Stiverse 2 Pcs Black Sewing Thread 1000 Yard Polyester Thread
StiVerse£5.674.0★
2X 100m Gutermann Sew-All Polyester Thread for Hand or Machine Sewing Black Bundled by GetInStyle Shop
GETINSTYLE SHOP£5.674.3★
What buyers say about black thread
What buyers praise and complain about, mined from review topics.What buyers love
“Great value for money”
“really great product as there are so many different items in the kit”
“Decent thread for hand sewing stuff”
“Just what needed”
“Handy”
“Fit for purpose”
“Easy to use”
“Compact enough for travelling”
“Colour good”
“perfect for repairs”
What buyers complain about
“Bad quality”
“The case is not fit for purpose”
“Keeps breakjbg”
“No strong at all”
“Can't get a start to use on this”
“This Gutermann cotton is rubbish”
“not good for quick sewing”
“This didn't work for me”
“To thin”
“Waste of money”
Top return reasons
Common questions
- Is black thread profitable to sell on Amazon United Kingdom?
- The niche generates £80K/yr across 29 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -6.7%. Flapen's verdict: Worth a look (50/100).
- How competitive is the black thread niche?
- 16 brands and 89 sellers compete. The top 5 products take 50% 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, Durability. The return rate is 0.2%.
- When does demand for black thread peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the black thread niche?
- Listings span £1.19–£8.61; the average listing price is £3.65 (sweet spot $15–$100). The average incumbent carries 1,767 reviews — the moat a new listing must climb.