Skip to content

11th Birthday Decorations

11th Birthday Decorations shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

57
Worth a look
Market size 16Growth 23Conversion 70Competition 92Returns 98Price range 22Avg price 23Brand share 96Review moat 91Quality gap 43
This niche Category average

Is 11th Birthday Decorations profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, 11th Birthday Decorations is a £65K/yr Amazon United Kingdom market (124K searches/yr). The top 5 brands hold 32% of demand. Demand peaks in Jan. Verdict: Worth a look — 57/100.

11th Birthday Decorations: 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 -3.8% over the last 90 days and 6.4% of searches end in a purchase.

£65K

revenue / yr

Units sold / yr8K
Search volume / yr-3.8%124K
Conversion rate6.4%
Avg price£8.23

Who owns the niche?

The top 5 brands hold 32% of demand, so 68% of the market is open.

68%

open market share

Brands · sellers46 · 71
Top-5 product click share23%
Open market68%
Avg brand age19 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 83 products

Sponsored placement94%
New entrants (1y)49· 0 succeeded
Avg rating4.5★
Avg reviews180

Top 11th Birthday Decorations 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 (23% combined) — an open shelf where new products get seen.

£0£1K£3K£4K£5K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

46 falling

Sellers

71

Top-5 brand share

32%

Top 20: 78%

Top-5 click share

23%

Top 20: 55%

Open market

64%

  • Fuwane8%
  • JGIIIJLP8%
  • OakTree6%
  • DJLLA5%
  • Ethlomoer5%
  • British Ballet4%

11th Birthday Decorations demand & seasonality

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

Volume124KCVR6.4%Products83Brands46Top 5 Brands32%OOS Rate6.4%Rating4.5★Reviews180Avg BSR#553
3K2KSpike '26JulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Jan · busiest ÷ quietest = 2.0×

Top 11th Birthday Decorations search terms shoppers use

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

  • 11th birthday decorations69K/yr
  • 11th birthday18K/yr
  • 11 birthday decorations14K/yr
  • 11th birthday banner9K/yr
  • 11th birthday decorations boy8K/yr
  • happy 11th birthday banner6K/yr

What reviews say buyers love and hate about 11th Birthday Decorations

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

What buyers love

85% of reviews
Value For Money20%

Well worth the money

Quality-Overall17%

Decent enough

Gifting Purpose16%

Great for birthday gift

Design-Overall11%

the design is also great

Color5%

The shades are classy and elegant

What buyers complain about

75% of reviews
Inflation/Deflation14%

disappointed that one of the 'number one' balloons deflated overnight

Smell9%

Awful smell

Leak-Proof9%

1 leaked from the seals

Value For Money9%

This is the most worst £8 I've spent simply because I know i could have

Certifications9%

Not up to standards

11th Birthday Decorations return rate & reasons

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

0.4%

Return rate

14%

Fixable by listing

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

1Defective Material/Parts
18%
2Quality-Overall
18%
3Smell
9%
4Gifting Purpose
9%
5Value For Money
9%

Common 11th Birthday Decorations questions

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

Flapen scores 11th Birthday Decorations 57/100 on Amazon United Kingdom — Worth a look. The niche generates £65K/yr across 83 tracked products. 0 of 49 products launched in the last 360 days are still selling. Search demand moved -3.8% over the last 90 days.
Search demand for 11th Birthday Decorations on Amazon United Kingdom peaks in Jan, where the busiest month runs 2.0× the quietest.