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50

tunnel

Worth a look

Shows a fragmented shelf (top 5 take 20% of clicks), but weak search conversion (1.3%) keeps it on the watch list.

Market size 21Growth 18Conversion 16Competition 95Returns 55Price range 39Avg price 43Brand share 61Review moat 85Quality gap 79

Competition

Great20%

top-5 click share — an open shelf

Review moat

Great290.12

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Brand share

Good68%

top-5 brand share — brands hold most of the demand

Returns

Good2.8%

return rate — above 5% kills the launch gate

Avg price

Okay€11.13

avg listing price — sweet spot $15–$100

Price range

Okay€5.32–€21.29

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

Market size

Bad€85K

€85K/yr · 593K searches

Growth

Bad-14.9%

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

Conversion

Bad1.3%

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

According to Flapen's Amazon Germany niche tracking, tunnel is a €85K/yr Amazon Germany market (593K searches/yr). The top 5 brands hold 68% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

tunnel market data

Units sold / yr
8K–10K
avg 0–100/product
Revenue / yr
€89K–€111K
units × avg price
Conversion rate
1.3%
Avg BSR
#81
Page quality
0%
Prime
83%
Sponsored
93%
Out of stock
5.1%
Avg brand age
48 months
Avg seller age
193 days

Competition & brand share

Clicks spread well past the top 5 (20% combined) — an open shelf where new products get seen.

Brands

33 falling

Sellers

38

Top-5 brand share

68%

Top 20: 95%

Top-5 click share

20%

Top 20: 46%

Open market

28%

  • Treuheld47%
  • Decentraland6%
  • Uwiyo6%
  • Ayoiow5%
  • GUSXPPD4%
  • Hoisy3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -14.9% search growth over the last 90 days.
15K10KHoliday '24Prime Day '25Black Friday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top tunnel search terms

  • tunnel 10mm111K/yr
  • tunnel80K/yr
  • tunnel 8mm77K/yr
  • tunnel 6mm57K/yr
  • tun37K/yr
  • tunnel 14mm34K/yr
  • tunnel 12mm ohr26K/yr
  • tunnel 16mm26K/yr
  • tunnel 20mm20K/yr
  • tunnel 4mm15K/yr
All search terms

Top tunnel 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.

0%2%€2K4%€3K6%€5K8%€7K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about tunnel

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

What buyers love

Gesamtgröße21%

“Passt”

Qualität insgesamt18%

“Top Qualität”

beworben Vs Tatsächliches Produkt12%

“Mass entspricht der Beschreibung”

Preis-Leistungs-Verhältnis10%

“Super preis”

Materialqualität6%

“Material perfekt”

Komfort insgesamt6%

“Sehr hübsch und angenehm zu tragen:)”

Einfache Reinigung3%

“leicht reinigen lassen.”

Dehnbarkeit/Erweiterbarkeit/Elastizität3%

“Gute Dehnstäbe”

Farbe3%

“Farbe ist auch gut”

Benutzerfreundlichkeit3%

“Einfache Handhabung”

What buyers complain about

Qualität insgesamt24%

“Etwas billig verarbeitet”

Gesamtgröße16%

“aber ich finde sie ( bei kleineren Größen schwierig einzusetzen. Würde sie nicht nochmal holen”

Haltbarkeit6%

“Steine sind direkt vor gebrauch rausgefallen”

Komfort insgesamt6%

“leider ist er beim liegen etwas unbequem”

Knoten-/Fadenqualität4%

“Ganz schlechtes Gewinde”

Materialqualität4%

“Material instabil”

Allergien4%

“Allergische Reaktion”

Metall Authentizität4%

“Mir persönlich gefällt das Verhältnis Gold zu Holz nicht bei 10mm”

Dünn4%

“Viel zu dünn an den Rändern sehr schlecht verarbeitet... für den Preis einfach eine Frechheit”

Dicke3%

“Die kleinen Größen sind viel zu dick”

Top return reasons

Gesamtgröße63%
Qualität insgesamt5%
beworben Vs Tatsächliches Produkt5%
Materialqualität4%
Knoten-/Fadenqualität3%
Farbe2%
Preis-Leistungs-Verhältnis2%
Lücke/Loch2%
Breite2%
Funktionalität insgesamt1%

Common questions

Is tunnel profitable to sell on Amazon Germany?
The niche generates €85K/yr across 136 tracked products. 0 of 18 products launched in the last 360 days are still selling. 90-day search growth is -14.9%. Flapen's verdict: Worth a look (50/100).
How competitive is the tunnel niche?
33 brands and 38 sellers compete. The top 5 products take 20% of clicks and top 5 brands hold 68% of demand.
What do buyers complain about in tunnel?
Top complaints mined from reviews: Qualität insgesamt, Gesamtgröße, Haltbarkeit. The return rate is 2.8%.
When does demand for tunnel peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the tunnel niche?
Listings span €5.32–€21.29; the average listing price is €11.13 (sweet spot $15–$100). The average incumbent carries 290 reviews — the moat a new listing must climb.