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17th Birthday Decorations

17th 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

58
Worth a look
Market size 21Growth 21Conversion 78Competition 89Returns 97Price range 6Avg price 22Brand share 96Review moat 89Quality gap 58
This niche Category average

Is 17th Birthday Decorations profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, 17th Birthday Decorations is a £84K/yr Amazon United Kingdom market (137K searches/yr). The top 5 brands hold 36% of demand. Verdict: Worth a look — 58/100.

17th 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 -8.0% over the last 90 days and 7.8% of searches end in a purchase.

£84K

revenue / yr

Units sold / yr13K
Search volume / yr-8.0%137K
Conversion rate7.8%
Avg price£7.86

Who owns the niche?

The top 5 brands hold 36% of demand, so 64% of the market is open.

64%

open market share

Brands · sellers41 · 74
Top-5 product click share26%
Open market64%
Avg brand age23 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 83 products

Sponsored placement92%
New entrants (1y)44· 0 succeeded
Avg rating4.4★
Avg reviews212

Top 17th 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 (26% combined) — an open shelf where new products get seen.

£0£2K£3K£5K£7K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

41 falling

Sellers

74

Top-5 brand share

36%

Top 20: 83%

Top-5 click share

26%

Top 20: 64%

Open market

60%

  • OakTree10%
  • Sroeeshee9%
  • SEWIRUY7%
  • DJLLA5%
  • Luvart5%
  • Hierein5%

17th Birthday Decorations demand & seasonality

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

Volume137KCVR7.8%Products83Brands41Top 5 Brands36%OOS Rate6.7%Rating4.4★Reviews212Avg BSR#765
4K3KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.8×

Top 17th Birthday Decorations search terms shoppers use

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

  • 17th birthday decorations81K/yr
  • 17 birthday decorations21K/yr
  • 17th birthday banner13K/yr
  • happy 17th birthday banner7K/yr
  • 17th birthday decorations boy6K/yr
  • 17th birthday decorations girl5K/yr
  • 17 birthday banner5K/yr

What reviews say buyers love and hate about 17th Birthday Decorations

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

What buyers love

95% of reviews
Quality-Overall43%

Great Quality & Easy Setup

Advertised Vs Actual Product15%

All you need

Value For Money10%

Great value

Gifting Purpose10%

Super decoration

Design-Overall4%

Lovely design and shade, complimented cake very well

What buyers complain about

96% of reviews
Quality-Overall41%

The balloons were terrible quality

Size-Overall13%

Balloons are very small

Assembly/Installation13%

Faff to put together

Inflation/Deflation9%

none of the balloons are pumping up

Durability6%

Busted before use

17th Birthday Decorations return rate & reasons

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

0.6%

Return rate

50%

Fixable by listing

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

1Color
28%
2Inflation/Deflation
11%
3Advertised Vs Actual Product
11%
4Assembly/Installation
11%
5Defective Material/Parts
10%

Common 17th Birthday Decorations questions

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

Flapen scores 17th Birthday Decorations 58/100 on Amazon United Kingdom — Worth a look. The niche generates £84K/yr across 83 tracked products. 0 of 44 products launched in the last 360 days are still selling. Search demand moved -8.0% over the last 90 days.
Search demand for 17th Birthday Decorations on Amazon United Kingdom is steady year-round — the busiest month runs 1.8× the quietest.