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16th Birthday Decorations

16th Birthday Decorations shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

64
Worth a look
Market size 52Growth 22Conversion 76Competition 90Returns 97Price range 11Avg price 20Brand share 95Review moat 77Quality gap 70
This niche Category average

Is 16th Birthday Decorations profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, 16th Birthday Decorations is a £315K/yr Amazon United Kingdom market (600K searches/yr). The top 5 brands hold 39% of demand. Verdict: Worth a look — 64/100.

16th 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 -6.6% over the last 90 days and 7.2% of searches end in a purchase.

£315K

revenue / yr

Units sold / yr40K
Search volume / yr-6.6%600K
Conversion rate7.2%
Avg price£7.32

Who owns the niche?

The top 5 brands hold 39% of demand, so 61% of the market is open.

61%

open market share

Brands · sellers50 · 79
Top-5 product click share25%
Open market61%
Avg brand age23 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 69 products

Sponsored placement88%
New entrants (1y)19· 0 succeeded
Avg rating4.3★
Avg reviews464

Top 16th 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 (25% combined) — an open shelf where new products get seen.

£0£9K£19K£28K£38K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

50 falling

Sellers

79

Top-5 brand share

39%

Top 20: 73%

Top-5 click share

25%

Top 20: 58%

Open market

61%

  • VICTERR17%
  • Sheinly7%
  • OakTree4%
  • DJLLA4%
  • weeyin4%
  • DEARLIVES4%

16th Birthday Decorations demand & seasonality

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

Volume600KCVR7.2%Products69Brands50Top 5 Brands39%OOS Rate6.4%Rating4.3★Reviews464Avg BSR#248
13K8KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.9×

Top 16th Birthday Decorations search terms shoppers use

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

  • 16th birthday decorations281K/yr
  • sweet 16 birthday decorations42K/yr
  • 16th birthday decorations boy36K/yr
  • 16 birthday decorations41K/yr
  • 16th birthday banner42K/yr
  • 16 balloons20K/yr
  • 16th birthday decorations girl17K/yr
  • 16th birthday balloons20K/yr
  • boys 16th birthday decorations13K/yr
  • happy 16th birthday banner13K/yr

What reviews say buyers love and hate about 16th Birthday Decorations

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

What buyers love

87% of reviews
Quality-Overall37%

Great Quality and Easy to Set Up

Value For Money16%

Good price

Color11%

absolutely loved the colour

Advertised Vs Actual Product6%

Did the job

Assembly/Installation6%

Assembly was fairly straightforward

What buyers complain about

81% of reviews
Quality-Overall32%

Cheap quality

Advertised Vs Actual Product11%

Is not as advertised

Size-Overall9%

These are brilliant smaller than I expected

Value For Money6%

Expensive for what it is

Assembly/Installation6%

patience to put them together

16th Birthday Decorations return rate & reasons

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

0.6%

Return rate

53%

Fixable by listing

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

1Color
21%
2Size-Overall
18%
3Quality-Overall
15%
4Advertised Vs Actual Product
7%
5Inflation/Deflation
7%

Common 16th Birthday Decorations questions

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

Flapen scores 16th Birthday Decorations 64/100 on Amazon United Kingdom — Worth a look. The niche generates £315K/yr across 69 tracked products. 0 of 19 products launched in the last 360 days are still selling. Search demand moved -6.6% over the last 90 days.
Search demand for 16th Birthday Decorations on Amazon United Kingdom is steady year-round — the busiest month runs 1.9× the quietest.