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Sister Birthday Card

Sister Birthday Card shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

60
Worth a look
Market size 57Growth 24Conversion 86Competition 86Returns 99Price range 0Avg price 9Brand share 91Review moat 87Quality gap 21
This niche Category average

Is Sister Birthday Card profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Sister Birthday Card is a £431K/yr Amazon United Kingdom market (1.3M searches/yr). The top 5 brands hold 44% of demand. Verdict: Worth a look — 60/100.

Sister Birthday Card: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -1.0% over the last 90 days and 9.8% of searches end in a purchase.

£431K

revenue / yr

Units sold / yr125K
Search volume / yr-1.0%1.3M
Conversion rate9.8%
Avg price£3.36

Who owns the niche?

The top 5 brands hold 44% of demand, so 56% of the market is open.

56%

open market share

Brands · sellers38 · 60
Top-5 product click share29%
Open market56%
Avg brand age29 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.

0/100

page quality · 68 products

Sponsored placement76%
New entrants (1y)20· 0 succeeded
Avg rating4.7★
Avg reviews255

Top Sister Birthday Card products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.

£0£9K£17K£26K£35K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

38 falling

Sellers

60

Top-5 brand share

44%

Top 20: 89%

Top-5 click share

29%

Top 20: 69%

Open market

50%

  • Piccadilly Greetings13%
  • Cherry Orchard9%
  • Printperfect8%
  • Me To You7%
  • Central 237%
  • Emotional Rescue6%

Sister Birthday Card demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume1.3MCVR9.8%Products68Brands38Top 5 Brands44%OOS Rate2.1%Rating4.7★Reviews255Avg BSR#1,592
30K20KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.7×

Top Sister Birthday Card search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • sister birthday card732K/yr
  • birthday card sister132K/yr
  • birthday card for sister65K/yr
  • birthday cards for sister59K/yr
  • sister birthday cards47K/yr
  • funny sister birthday card38K/yr
  • sister birthday card funny38K/yr
  • happy birthday sister card36K/yr
  • sister card33K/yr
  • happy birthday sister19K/yr

What reviews say buyers love and hate about Sister Birthday Card

What buyers mention most, as a share of all reviews.

What buyers love

93% of reviews
Quality-Overall41%

Brilliant quality

Value For Money22%

Good Price

Fun/Entertainment Experience7%

Good quality funny card

Advertised Vs Actual Product7%

Just as it was advertised

Size-Overall5%

nice size

What buyers complain about

88% of reviews
Functionality-Overall24%

The card arrived yesterday not working

Advertised Vs Actual Product21%

Not quite what it looks like

Size-Overall10%

Quite small

Value For Money10%

This card was poor value for the price

Gifting Purpose6%

disappointed that it did not come with an envelope is that normal procedure when buying a birthday card confused

Sister Birthday Card return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

10%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Functionality-Overall
53%
2Quality-Overall
12%
3Defective Material/Parts
6%
4Advertised Vs Actual Product
4%
5Display Colors
2%

Common Sister Birthday Card questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Sister Birthday Card 60/100 on Amazon United Kingdom — Worth a look. The niche generates £431K/yr across 68 tracked products. 0 of 20 products launched in the last 360 days are still selling. Search demand moved -1.0% over the last 90 days.
Search demand for Sister Birthday Card on Amazon United Kingdom is steady year-round — the busiest month runs 1.7× the quietest.