strong envelope for passport
Skip itSoft demand (-24.4% this quarter) — this niche doesn't clear our bar today.
Conversion
Incredible18.1%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Review moat
Good567.59avg incumbent reviews — the moat a new listing must climb
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Price range
Okay£1.39–£20.32cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad71%top-5 click share — a locked-up shelf
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Avg price
Bad£7.16avg listing price — sweet spot $15–$100
Market size
Bad£60K£60K/yr · 47K searches
Growth
Bad-24.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, strong envelope for passport is a £60K/yr Amazon United Kingdom market (47K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 39/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
strong envelope for passport market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- £57K–£72K
- units × avg price
- Conversion rate
- 18.1%
- Avg BSR
- #35
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 76%
- Out of stock
- 1.0%
- Avg brand age
- 50 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 falling
Sellers
19
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
13%
- Postmaster46%
- Double Dragon13%
- Iedahcit Packaging9%
- iSOUL8%
- Navoys7%
- ARPAN4%
- Open — no brand owns it (6 brands, 13%)
Top strong envelope for passport search terms
- strong envelope for passport8K/yr
- a5 hardback envelopes7K/yr
- passport envelope7K/yr
- a5 do not bend envelope5K/yr
- do not bend envelopes a56K/yr
- passport envelope shipping4K/yr
- a5 cardboard envelopes3K/yr
- hard back envelopes a53K/yr
- cardboard envelopes a53K/yr
Top strong envelope for passport 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 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Postmaster Please Do Not Bend Envelopes A5 Hardback Peel Seal x 10 Pack C5 Boardback 229 x 162mm
Postmaster£3.394.7★285 rev
Postmaster A5 C5 Do Not Bend Board Back Envelopes 229 x 162 mm Peel Seal 50 Pack Brown
Postmaster£7.774.6★1,018 rev
Double Dragon 20-Pack A5 C5 Manilla Hard Board Backed Envelopes | 229mm x 162mm | Please Do Not Bend Printed | Padded & Tamper-Proof | Self-Seal Closure
Double Dragon£4.344.7★480 rev
A5 Padded Brown Envelopes Kraft Paper Bubble Padded Peel & Seal Tear-Resistant Self-Adhesive Cushion Mailers for Small Parcels Packaging Postage & Shipping (15cm x 21cm - 5 Pack)
Navoys£3.794.6★281 rev
5 X A5/C5 Board Back Manila Envelopes. Please Do Not Bend Written On Each Envelope. Size- 229mm x 162mm .Self Seal Secure Envelopes. 5 ENVELOPES
Iedahcit Packaging£3.414.7★140 rev
Newest
by launch date
STRBOXONG A5 Hardback Envelopes Do Not Bend C5 Hard Board Backed Envelopes Peel and Seal for Passport & Photos Brown Manilla Cardboard Mailers 229 x 162mm Royal Mail Large Letter (20 Pcs)
STRBOXONG£5.659 rev
STRBOXONG A6 Hardback Envelopes Do Not Bend C6 Hard Board Backed Envelopes Peel and Seal for 6x4 Photos & Money Gifts Brown Manilla Cardboard Mailers 162 x 114mm Royal Mail Letter(10 Pcs)
STRBOXONG£3.705 rev
Double Dragon 20-Pack A5 C5 Manilla Hard Board Backed Envelopes | 229mm x 162mm | Please Do Not Bend Printed | Padded & Tamper-Proof | Self-Seal Closure
Double Dragon£4.34480 rev
A5 Padded Brown Envelopes Kraft Paper Bubble Padded Peel & Seal Tear-Resistant Self-Adhesive Cushion Mailers for Small Parcels Packaging Postage & Shipping (15cm x 21cm - 5 Pack)
Navoys£3.79281 rev
nu: Mail Padded Bubble Envelope Small | 3 Pack | Protective Packaging | Eco-Friendly | Superior Cushioning for Shipping & Moving
nu:£1.57382 rev
Trending
90-day click momentumSTRBOXONG A5 Hardback Envelopes Do Not Bend C5 Hard Board Backed Envelopes Peel and Seal for Passport & Photos Brown Manilla Cardboard Mailers 229 x 162mm Royal Mail Large Letter (20 Pcs)
STRBOXONG£5.654.2★
STRBOXONG A6 Hardback Envelopes Do Not Bend C6 Hard Board Backed Envelopes Peel and Seal for 6x4 Photos & Money Gifts Brown Manilla Cardboard Mailers 162 x 114mm Royal Mail Letter(10 Pcs)
STRBOXONG£3.704.8★
Bubble Lined Self-Seal Enveloper Office Products HK C13 150x215mm/170x225mm 10pcs White/Envelopes and Shipment Accessories/Type-Self-Adhesive Bubble/Kind-HK/Colour-White/Format-C13
OFFICER PRODUCTS£1.394.7★
ARPAN A5 Manilla Hard Board Backed Envelopes (229 x 162mm) A5 Do Not Bend Mailers with Self Seal Strip | C5 Rigid Cardboard Backed Postal Envelopes for Photos Cards Print Documents (Pack of 50)
ARPAN£11.584.8★
UKPAPER 125 A5 / C5 229mm x 162mm Brown/Manilla Strong Hard Card Board Backed Peel and Seal Printed Please Do Not Bend Envelopes x125
UKPAPER£10.404.9★
What buyers say about strong envelope for passport
What buyers praise and complain about, mined from review topics.What buyers love
“They seem to be well made and very sturdy”
“Excellent value for money”
“As shown”
“just the right size”
“Stronger than i first thought”
“flat for posting”
“easy to use”
“Well padded easy seal good size”
“Good quality and sticky strip”
“Good thick envelopes”
What buyers complain about
“These were a bit bigger rhan i thought”
“the envelope quality was disappointing”
“This cannot be erased or wiped away so there is not excuse once its left your hands for anyone to alter its shape”
“Expensive when purchased in a pack of ten”
“Review of A4 do not bend envelopes”
“the paper used here seems to be thinner than some”
“Only provided 19 instead of the 20 advertised”
“I will add that they are not the most sturdy out of the options I've tried”
“the outer material doesn't feel durable enough for shipping”
“Disappointing Quality – Envelope Tears While Writing”
Top return reasons
Common questions
- Is strong envelope for passport profitable to sell on Amazon United Kingdom?
- The niche generates £60K/yr across 17 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -24.4%. Flapen's verdict: Skip it (39/100).
- How competitive is the strong envelope for passport niche?
- 12 brands and 19 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in strong envelope for passport?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Erasability. The return rate is 0.4%.
- What does it cost to enter the strong envelope for passport niche?
- Listings span £1.39–£20.32; the average listing price is £7.16 (sweet spot $15–$100). The average incumbent carries 568 reviews — the moat a new listing must climb.