black flag
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Growth
Incredible+827.1%90-day search growth — must beat 0% to launch
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Review moat
Good801avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Avg price
Bad£5.95avg listing price — sweet spot $15–$100
Competition
Bad91%top-5 click share — a locked-up shelf
Market size
Bad£3K£3K/yr · 20K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad£4.23–£7.90cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, black flag is a £3K/yr Amazon United Kingdom market (20K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 38/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
black flag market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- £4K–£6K
- units × avg price
- Conversion rate
- 2.5%
- Avg BSR
- #1,184
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 16.1%
- Avg brand age
- 39 months
- Avg seller age
- 236 days
Competition & brand share
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
9
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
91%
Top 20: 100%
Open market
0%
- BigTree43%
- KASKANA21%
- AZ FLAG19%
- Anley17%
- Open — no brand owns it (0%)
Top black flag 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 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
2 Pack Black Flags 5ft x 3ft Banners Pennant Double Stitched Vivid Color Plain Black Flags Polyester Decoration for Garden Room Game Parade Sport Events Festival Party 90 X 150cm with Brass Grommets
BigTree£7.904.5★44 rev

Solid Black Flag Plain Black Flag - Double-sided Print 90G polyester - Double Seam - 2 brass eyelets large 5ft x 3ft
KASKANA£6.704.3★6 rev

ANLEY Fly Breeze 3x5 Foot Solid Black Flag - Vivid Color and UV Fade Resistant - Canvas Header and Double Stitched - Plain Black Flags Polyester with Brass Grommets 3 X 5 Ft
Anley£4.994.5★4,389 rev

5ft x 3ft Black Flags and Banners Pennant Double Stitched Vivid Color Plain Black Flags Polyester Decoration for Garden Room Game Parade Sport Events Festival Party 90 X 150cm with Brass Grommets
BigTree£4.234.4★135 rev

AZ FLAG - Plain Black Flag - 3x5 Ft - Light Polyester black solid color Banner with Two Brass Eyelets - Fade Resistant - Vivid Colors - 3 x 5 Feet - 150x90 Cm
AZ FLAG£5.704.9★9 rev
Newest
by launch date
2 Pack Black Flags 5ft x 3ft Banners Pennant Double Stitched Vivid Color Plain Black Flags Polyester Decoration for Garden Room Game Parade Sport Events Festival Party 90 X 150cm with Brass Grommets
BigTree£7.9044 rev

Solid Black Flag Plain Black Flag - Double-sided Print 90G polyester - Double Seam - 2 brass eyelets large 5ft x 3ft
KASKANA£6.706 rev

5ft x 3ft Black Flags and Banners Pennant Double Stitched Vivid Color Plain Black Flags Polyester Decoration for Garden Room Game Parade Sport Events Festival Party 90 X 150cm with Brass Grommets
BigTree£4.23135 rev

AZ FLAG - Plain Black Flag - 3x5 Ft - Light Polyester black solid color Banner with Two Brass Eyelets - Fade Resistant - Vivid Colors - 3 x 5 Feet - 150x90 Cm
AZ FLAG£5.709 rev

ANLEY Fly Breeze 3x5 Foot Solid Black Flag - Vivid Color and UV Fade Resistant - Canvas Header and Double Stitched - Plain Black Flags Polyester with Brass Grommets 3 X 5 Ft
Anley£4.994,389 rev
Trending
90-day click momentum
AZ FLAG - Plain Black Flag - 3x5 Ft - Light Polyester black solid color Banner with Two Brass Eyelets - Fade Resistant - Vivid Colors - 3 x 5 Feet - 150x90 Cm
AZ FLAG£5.704.9★

AZ FLAG - Race Officer Black Flag - 2x3 Ft - 100D Polyester Racing Banner with Two Metal Grommets - Fade Resistant - Vivid Colors - 2 x 3 Feet - 90x60 Cm
AZ FLAG£6.154.1★

2 Pack Black Flags 5ft x 3ft Banners Pennant Double Stitched Vivid Color Plain Black Flags Polyester Decoration for Garden Room Game Parade Sport Events Festival Party 90 X 150cm with Brass Grommets
BigTree£7.904.5★

ANLEY Fly Breeze 3x5 Foot Solid Black Flag - Vivid Color and UV Fade Resistant - Canvas Header and Double Stitched - Plain Black Flags Polyester with Brass Grommets 3 X 5 Ft
Anley£4.994.5★

Solid Black Flag Plain Black Flag - Double-sided Print 90G polyester - Double Seam - 2 brass eyelets large 5ft x 3ft
KASKANA£6.704.3★
What buyers say about black flag
What buyers praise and complain about, mined from review topics.Top return reasons
Common questions
- Is black flag profitable to sell on Amazon United Kingdom?
- The niche generates £3K/yr across 6 tracked products. 90-day search growth is +827.1%. Flapen's verdict: Skip it (38/100).
- How competitive is the black flag niche?
- 4 brands and 9 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
- What does it cost to enter the black flag niche?
- Listings span £4.23–£7.90; the average listing price is £5.95 (sweet spot $15–$100). The average incumbent carries 801 reviews — the moat a new listing must climb.