envelopes
Worth a lookShows low returns (0.2%), but pricing outside the sweet spot ($4.79 avg) keeps it on the watch list.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Conversion
Incredible17.3%search→purchase rate — share of searches ending in a sale
Market size
Good£627K£627K/yr · 757K searches
Review moat
Okay1,571.74avg incumbent reviews — the moat a new listing must climb
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Growth
Bad-4.8%90-day search growth — must beat 0% to launch
Avg price
Bad£4.79avg listing price — sweet spot $15–$100
Price range
Bad£1.32–£17.11cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, envelopes is a £627K/yr Amazon United Kingdom market (757K searches/yr). The top 5 brands hold 81% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
envelopes market data
- Units sold / yr
- 125K–150K
- avg 8,000–10,000/product
- Revenue / yr
- £599K–£719K
- units × avg price
- Conversion rate
- 17.3%
- Avg BSR
- #76
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 87%
- Out of stock
- 0.0%
- Avg brand age
- 38 months
- Avg seller age
- 179 days
Competition & brand share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
15 rising
Sellers
57
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
59%
Top 20: 97%
Open market
15%
- Postmaster29%
- Blake18%
- FIRST CHOICE KAYA17%
- TRIPLE PRIO9%
- Pop7%
- Officely4%
- Open — no brand owns it (9 brands, 15%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -4.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top envelopes search terms
- envelopes487K/yr
- envelope49K/yr
- envelopes peel and seal65K/yr
- white envelopes38K/yr
- dl envelopes28K/yr
- envelopes letter size21K/yr
- letter envelopes13K/yr
- dl envelopes peel and seal11K/yr
- white envelopes peel and seal11K/yr
- envelope dl4K/yr
Top envelopes 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 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
FIRST CHOICE KAYA 25 50 100 DL White Mailing Envelopes Self Seal for Posting mailing Home Office and Ecommerce Peel and Seal (100)
FIRST CHOICE KAYA£5.704.5★1,302 rev
Postmaster Envelopes DL Peel & Seal 100GSM White Paper - 50 Pack
Postmaster£2.714.7★830 rev
Postmaster Envelopes DL Peel & Seal 100GSM White Paper - 100 Pack
Postmaster£3.244.7★520 rev
Blake Purely Everyday DL 110 x 220 mm 90 gsm Self Seal Wallet Envelopes (13882/100 PR) White - 100 Count ( Pack of 1)
Blake£4.524.6★4,788 rev
White Envelopes DL 50 Pack - 80gsm Letter Peel and Seal - Strong Envelopes for Business Office Home Cards and Everyday Mailing
Pop£2.084.2★64 rev
Newest
by launch date
50 pcs Envelopes Self Seal 120 GSM White 12.5 x 17.5 cm
Maxmoc£5.8814 rev
White Envelopes DL 50 Pack - 80gsm Letter Peel and Seal - Strong Envelopes for Business Office Home Cards and Everyday Mailing
Pop£2.0864 rev
50-Pack Compact Self-Sealing Brown Paper Envelopes for Organizing Seeds Cash and Small Valuables
Eclovane£3.364 rev
RFE Pack of 100 - DL White Mailing Envelopes Self Seal for Posting mailing Home Office Ecommerce and Business 80gsm 110 x 220mm
RFE£8.290 rev
Officely C6 Self Seal Wallet Envelopes 90 GSM 114mm x 162mm White - Pack of 25
Officely£2.1933 rev
Trending
90-day click momentum50 pcs Envelopes Self Seal 120 GSM White 12.5 x 17.5 cm
Maxmoc£5.884.0★
Officely C6 Self Seal Wallet Envelopes 90 GSM 114mm x 162mm White - Pack of 25
Officely£2.194.4★
RFE Pack of 100 - DL White Mailing Envelopes Self Seal for Posting mailing Home Office Ecommerce and Business 80gsm 110 x 220mm
RFE£8.290.0★
Blake Purely Everyday C5 229 x 162 mm 80 gsm Gummed Pocket Envelopes (13848/50 PR) Manilla - Pack of 50
Blake£2.444.6★
White Envelopes DL 50 Pack - 80gsm Letter Peel and Seal - Strong Envelopes for Business Office Home Cards and Everyday Mailing
Pop£2.084.2★
What buyers say about envelopes
What buyers praise and complain about, mined from review topics.What buyers love
“The envelopes feel good enough quality to me for a birthday or Christmas card”
“Good price”
“Exactly as stated”
“Good size”
“they stick well”
“Good substantial paper”
“Easy to use”
“Ideal for bills”
“Good quality and sturdy”
“helping documents feel more protected during posting”
What buyers complain about
“terrible adhesive”
“These envelopes are very poor quality”
“not the thickest”
“non-standard size”
“that shows in the thickness of the paper so are a lower quality”
“getting better quality as these are flimsy”
“No better than cheap supermarket ones at half the price”
“Very thin”
“Only provided 19 instead of the 20 advertised”
“Review of A4 do not bend envelopes”
Top return reasons
Common questions
- Is envelopes profitable to sell on Amazon United Kingdom?
- The niche generates £627K/yr across 23 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -4.8%. Flapen's verdict: Worth a look (51/100).
- How competitive is the envelopes niche?
- 15 brands and 57 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in envelopes?
- Top complaints mined from reviews: Adhesion/Stickiness, Quality-Overall, Thickness. The return rate is 0.2%.
- When does demand for envelopes peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the envelopes niche?
- Listings span £1.32–£17.11; the average listing price is £4.79 (sweet spot $15–$100). The average incumbent carries 1,572 reviews — the moat a new listing must climb.