18th Birthday Balloons
Worth a lookShows low returns (0.8%), but prices mostly outside the sweet spot ($2.60–$12.99) keeps it on the watch list.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Brand share
Great52%top-5 brand share — no brand owns this niche
Competition
Great33%top-5 click share — an open shelf
Conversion
Great7.3%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good1,041.38avg incumbent reviews — the moat a new listing must climb
Growth
Bad-8.4%90-day search growth — must beat 0% to launch
Avg price
Bad£6.00avg listing price — sweet spot $15–$100
Market size
Bad£59K£59K/yr · 135K searches
Price range
Bad£2.60–£12.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Is 18th birthday balloons profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, 18th birthday balloons is a £59K/yr Amazon United Kingdom market (135K searches/yr). The top 5 brands hold 52% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
18th birthday balloons market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 8K–10K
- avg 100–250/product
- Revenue / yr
- £48K–£60K
- units × avg price
- Conversion rate
- 7.3%
- Avg BSR
- #260
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 7.1%
- Avg brand age
- 23 months
- Avg seller age
- 191 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.Brands
38 rising
Sellers
40
Top-5 brand share
52%
Top 20: 88%
Top-5 click share
33%
Top 20: 73%
Open market
43%
- onehous17%
- OFFCUP16%
- Lingqiang7%
- Sroeeshee6%
- VICTERR6%
- Ousuga5%
18th birthday balloons demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top 18th birthday balloons search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- 18th birthday balloons45K/yr
- 18 balloons29K/yr
- 18th balloons13K/yr
- 18th birthday balloons for boys7K/yr
- 18 balloons birthday girl7K/yr
- 18 balloon7K/yr
- 18th birthday balloons for girls7K/yr
- 18 balloons birthday boy5K/yr
- 18th birthday balloon5K/yr
- 18th balloons for boys4K/yr
Top 18th birthday balloons products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
18th Birthday Decorations for Girls Rose Gold Happy 18th Birthday Balloons for Her Chrome Rose Gold 18th birthday Anniversary Party Supplies 18 Year Old Party Decorations
onehous£5.084.4★2,591 rev
OFFCUP Blue Number 18 Balloons 40 Inch Large Foil Number 1 & 8 Balloons Self Inflating 18th Birthday Balloon for 18 Year Boys Girls Men Women Anniversary Birthday Party Decorations Supplies
OFFCUP£3.424.1★1,274 rev
onehous 18th Birthday Decorations for Boys Girls Navy Blue Silver Happy 18th Birthday Balloons for Him Her 18th Birthdays Anniversary Party Supplies 18 Year Old Party Decorations
onehous£5.084.4★2,591 rev
OFFCUP Gold Number 18 Balloons 40 Inch Large Foil Number 1 & 8 Balloons Self Inflating 18th Birthday Balloon for 18 Year Boys Girls Men Women Anniversary Birthday Party Decorations Supplies
OFFCUP£3.374.2★1,157 rev
Ousuga 15 Pcs Black Gold 18th Birthday Balloons with Happy Birthday Latex Confetti for Boys Girls Men Women
Ousuga£4.374.6★56 rev
Newest
by launch date
Topeedy 16pcs 12inch Gold & Black 18th Birthday Balloons Humorous & Offensive Slogans Unisex-Adults
Topeedy£3.38123 rev
18th Birthday Decorations for Boys Girls AivaToba 18th Birthday Balloons with Black Gold 18th Birthday Banner Triangle Flag Banner Number 18 Foil Balloon 18 Year Old Birthday Party Decoration
AivaToba£10.54203 rev
Black Gold 18th Birthday Balloons - 30pcs Birthday Decorations for Boys and Girls with Ribbon Eighteen Latex Balloons for 18 Year Old Party Celebration
Sroeeshee£8.0950 rev
Dusty Pink Balloon Number 18 for 18th Birthday Decorations Girls Retro Blush Pink Gold Cream Latex Balloons with Large Bow Heart Foil Balloons for Boho 18 Year Old Birthday Anniversary Party Decor
Jobkoo£12.99237 rev
18th Birthday Decoration Balloons White Gold Confetti Beige Balloons for 18th Birthday Anniversary Party Supplies Happy 18th birthday Balloon for Him Her Champagne Gold White Theme Party Decoration
HolaFessta£4.7229 rev
Trending
90-day click momentumTopeedy 16pcs 12inch Gold & Black 18th Birthday Balloons Humorous & Offensive Slogans Unisex-Adults
Topeedy£3.384.6★
18th Birthday Decorations for Boys Girls AivaToba 18th Birthday Balloons with Black Gold 18th Birthday Banner Triangle Flag Banner Number 18 Foil Balloon 18 Year Old Birthday Party Decoration
AivaToba£10.544.4★
Belloxis 18th Birthday Gifts for Boys - 18 Year Old Boy Gifts Ideas - Mens Socks (9-11) for 18th Birthday
Belloxis£5.734.5★
Happy 18th Birthday Balloons Black Gold 15 Pcs 18th Birthday Latex Confetti Balloons Black Gold Decoration 18 Year Old Boys Girls Anniversary Party Celebration Supplies
FUNCANDLE£3.964.3★
Dusty Pink Balloon Number 18 for 18th Birthday Decorations Girls Retro Blush Pink Gold Cream Latex Balloons with Large Bow Heart Foil Balloons for Boho 18 Year Old Birthday Anniversary Party Decor
Jobkoo£12.993.8★
What reviews say buyers love and hate about 18th birthday balloons
What buyers praise and complain about, mined from review topics.What buyers love
“Good variety”
“Great value for money”
“The colors feel soft”
“everything has great durability”
“Perfect, as described”
“easy to inflate”
“Good fit”
“The rose gold theme looks elegant”
“thin material, right size”
“Good selection”
What buyers complain about
“by morning balloons were deflated”
“Poor quality”
“Not matching colours”
“Banner is very small”
“the curtain was very fragile - breaking just from walking through”
“You also have to assemble everything”
“Item came with multiple rips so couldnt use it”
“burst within 24 hours”
“Not as good as photo”
“looks more expensive than what they are”
Top return reasons
Common 18th birthday balloons questions
- Is 18th birthday balloons profitable to sell on Amazon United Kingdom?
- The niche generates £59K/yr across 56 tracked products. 0 of 17 products launched in the last 360 days are still selling. 90-day search growth is -8.4%. Flapen's verdict: Worth a look (55/100).
- How competitive is the 18th birthday balloons niche?
- 38 brands and 40 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 52% of demand.
- What do buyers complain about in 18th birthday balloons?
- Top complaints mined from reviews: Inflation/Deflation, Quality-Overall, Color. The return rate is 0.8%.
- When does demand for 18th birthday balloons peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the 18th birthday balloons niche?
- Listings span £2.60–£12.99; the average listing price is £6.00 (sweet spot $15–$100). The average incumbent carries 1,041 reviews — the moat a new listing must climb.
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