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51

blank cards and envelopes

Worth a look

Shows low returns (0.4%), but prices mostly outside the sweet spot ($3.32–$14.00) keeps it on the watch list.

Market size 44Growth 24Conversion 72Competition 75Returns 98Price range 0Avg price 19Brand share 64Review moat 49Quality gap 24

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Competition

Great40%

top-5 click share — an open shelf

Conversion

Good6.7%

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

Brand share

Good66%

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

Review moat

Okay1,561.16

avg incumbent reviews — the moat a new listing must climb

Market size

Okay£235K

£235K/yr · 505K searches

Growth

Bad-2.7%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Avg price

Bad£6.98

avg listing price — sweet spot $15–$100

Price range

Bad£3.32–£14.00

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

According to Flapen's Amazon United Kingdom niche tracking, blank cards and envelopes is a £235K/yr Amazon United Kingdom market (505K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 51/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

blank cards and envelopes market data

Units sold / yr
30K–40K
avg 750–1,000/product
Revenue / yr
£209K–£279K
units × avg price
Conversion rate
6.7%
Avg BSR
#130
Page quality
0%
Prime
100%
Sponsored
71%
Out of stock
0.0%
Avg brand age
32 months
Avg seller age
171 days

Competition & brand share

Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.

Brands

23 falling

Sellers

44

Top-5 brand share

66%

Top 20: 98%

Top-5 click share

40%

Top 20: 82%

Open market

29%

  • Craft UK Limited24%
  • Papa Prints16%
  • Anita's11%
  • SWEETZER & ORANGE10%
  • Craftask5%
  • Baker Ross4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.7% search growth over the last 90 days.
23K18KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 2.2×

Top blank cards and envelopes search terms

  • blank cards and envelopes142K/yr
  • blank cards81K/yr
  • cards and envelopes51K/yr
  • blank greeting cards21K/yr
  • plain cards and envelopes28K/yr
  • blank card19K/yr
  • blank cards and envelopes for card making31K/yr
  • blank greeting cards with envelopes15K/yr
  • plain cards14K/yr
  • card and envelopes for card making15K/yr
All search terms

Top blank cards and 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.

0%4%£9K8%£19K12%£28K16%£38K1101001K10K100K 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 blank cards and envelopes

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

What buyers love

Quality-Overall40%

“Very good quality cards”

Value For Money16%

“Affordable price”

Advertised Vs Actual Product7%

“Looks exactly like the image”

Color6%

“Lovely colors”

Design-Overall6%

“The designs are beautiful”

Paper Quality4%

“The paper on the cards is excellent”

Ease Of Use3%

“Pretty & useful”

Size-Overall3%

“the cards fit perfectly in them”

Shape/Style1%

“there are many styles”

Thickness1%

“The card used is of a nice thickness”

What buyers complain about

Size-Overall22%

“Size not true 4x6 A6 UK size”

Color8%

“Finding it difficult to use them in any way that a card may look good so I advise to buy a much more neutral or pastel colour card”

Print Quality6%

“Sadly the pictures on the cards is darker than I expected”

Thickness6%

“These cards are too thick”

Quality-Overall6%

“Not a good buy xx look really cheap”

Advertised Vs Actual Product3%

“What review can be given the description says it all”

Adhesion/Stickiness3%

“Envelopes don't have any adhesive so you can't stick them down”

Writing Experience2%

“I found writing would smudge if touched straight away”

Paper Quality2%

“Really poor quality paper/card”

Flatness1%

“The cards arrive flat”

Top return reasons

Size-Overall43%
Quality-Overall12%
Color6%
Paper Quality4%
Thin4%
Compatibility-Overall3%
Functionality-Overall3%
Advertised Vs Actual Product3%
Value For Money3%
Strength2%

Common questions

Is blank cards and envelopes profitable to sell on Amazon United Kingdom?
The niche generates £235K/yr across 38 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is -2.7%. Flapen's verdict: Worth a look (51/100).
How competitive is the blank cards and envelopes niche?
23 brands and 44 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in blank cards and envelopes?
Top complaints mined from reviews: Size-Overall, Color, Print Quality. The return rate is 0.4%.
When does demand for blank cards and envelopes peak?
Demand peaks in Nov–Dec; the busiest month runs 2.2× the quietest.
What does it cost to enter the blank cards and envelopes niche?
Listings span £3.32–£14.00; the average listing price is £6.98 (sweet spot $15–$100). The average incumbent carries 1,561 reviews — the moat a new listing must climb.