18 balloon numbers
Skip itSoft demand (-22.9% this quarter) — this niche doesn't clear our bar today.
Brand share
Great46%top-5 brand share — no brand owns this niche
Competition
Great33%top-5 click share — an open shelf
Conversion
Good6.1%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay3.6%return rate — above 5% kills the launch gate
Review moat
Okay2,666.07avg incumbent reviews — the moat a new listing must climb
Market size
Okay$118K$118K/yr · 236K searches
Price range
Okay$5.08–$18.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Bad$8.13avg listing price — sweet spot $15–$100
Growth
Bad-22.9%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 18 balloon numbers is a $118K/yr Amazon United States market (236K searches/yr). The top 5 brands hold 46% of demand. Demand peaks in Jan–Sep. Verdict: Skip it — 48/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
18 balloon numbers market data
- Units sold / yr
- 15K–20K
- avg 100–250/product
- Revenue / yr
- $122K–$163K
- units × avg price
- Conversion rate
- 6.1%
- Avg BSR
- #587
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 97%
- Out of stock
- 2.4%
- Avg brand age
- 28 months
- Avg seller age
- 246 days
Competition & brand share
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.Brands
33 flat
Sellers
42
Top-5 brand share
46%
Top 20: 90%
Top-5 click share
33%
Top 20: 67%
Open market
49%
- Lingqiang14%
- Mluchee12%
- SUWEN8%
- GOER7%
- OFFCUP5%
- Florisland5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -22.9% search growth over the last 90 days.Peak months: Jan, Sep · busiest ÷ quietest = 1.7×
Top 18 balloon numbers search terms
- 18 balloon numbers80K/yr
- 18th birthday balloons51K/yr
- 18 balloons30K/yr
- 18 balloon18K/yr
- number 18 balloons11K/yr
- 18th birthday balloon7K/yr
- 18 number balloons7K/yr
- numero 18 para cumpleaos7K/yr
- 18 balloons for birthday7K/yr
- happy 18th birthday balloons6K/yr
Top 18 balloon numbers products on Amazon
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
18 Balloon Numbers Numbers 18 Balloons 40 In 18th Birthday Decorations for Boys Girls 81st Dark Blue Birthday Big Party Decorations for Engagement Celebration Party Graduations
Mluchee$6.334.4★1,322 rev
Light Gold Number 18 Birthday Balloons 40 Inch Large Champagne Gold Foil Number 1 & 8 Balloons for 18 Year Old Boys Girls Gold 18th Birthday Balloons for Women Men Anniversary Party Decorations
Lingqiang$8.364.3★4,285 rev
GOER Number 18 Balloons for 18th Birthday Sweet 18 Party Decorations 42 Inch Jumbo Foil Helium 81 Balloons for 81st Birthday Party Decoration (Black)
GOER$6.914.6★15,371 rev
OFFCUP Helium Balloons 40 Inches Number Balloons 18 Foil Balloons Birthday Balloon Large Numbers Balloons for Birthday Wedding Party Decorations Celebration Supplies (Gold)
OFFCUP$5.084.3★2,424 rev
40inch jumbo Black 18 number balloons for 18th Birthday Party Decoration Men Women 18 Years Old Birthday Party Supplies use them as Props for Photos
Scorpio$6.044.6★931 rev
Newest
by launch date
40 inch Large Black 18 Balloon Number with Gold Crown Balloons 18th Birthday Big Foil Mylar Helium Balloon for Boys Girls 18th Birthday Anniversary Decorations Supplies Favors(Number 18 Balloons
Florisland$6.23353 rev
Pastel Pink 18 Balloon Numbers for Girls 40 Self Inflating Number 18 Balloons for 18 Year Old Birthday Big Blush Pink Foil 1 & 8 Helium Balloon for Boho Coquette 18th Birthday Party Decorations
KAINSY$7.07592 rev
Champagne Gold Large Number 18 Balloon 40 Inch Light Gold Foil Helium Number Balloons Giant Mylar Number 18 Balloons for 18 Years Old Birthday Party Anniversary Decorations (Champagne Gold 18)
AIQINHU$6.89331 rev
40 Inch Gold 81 18 Balloon Numbers Foil Mylar Helium Jumbo Number 18 Balloons Champagne Gold 81th 18th Birthday Balloons Birthday Party Decorations Supplies for Men Women
Florisland$5.52277 rev
18 Balloon Numbers Numbers 18 Balloons 40 In 18th Birthday Decorations for Boys Girls 81st Dark Blue Birthday Big Party Decorations for Engagement Celebration Party Graduations
Mluchee$6.331,322 rev
Trending
90-day click momentum
Jonhamwelbor 18 Number Balloons Black Foil Mylar
Jonhamwelbor$7.524.5★
OFFCUP Helium Balloons 40 Inches Number Balloons 18 Foil Balloons Birthday Balloon Large Numbers Balloons for Birthday Wedding Party Decorations Celebration Supplies (Gold)
OFFCUP$5.084.3★
40 inch Large Black 18 Balloon Number with Gold Crown Balloons 18th Birthday Big Foil Mylar Helium Balloon for Boys Girls 18th Birthday Anniversary Decorations Supplies Favors(Number 18 Balloons
Florisland$6.234.2★
GOER Number 18 Balloons for 18th Birthday Sweet 18 Party Decorations 42 Inch Jumbo Foil Helium 81 Balloons for 81st Birthday Party Decoration (Black)
GOER$6.914.6★
Pink Number 18 Balloon 40 Inch Big Large Foil Helium Number Balloons Giant Mylar Number 18 Balloons for 18 Years Old Birthday Party Decorations Supplies Anniversary
AIQINHU$6.774.7★
What buyers say about 18 balloon numbers
What buyers praise and complain about, mined from review topics.What buyers love
“Adorable, good quality and easy to use colors are great”
“The color is really pretty”
“Good for the price”
“Exactly what I needed”
“durable and large”
“Consistent color and size”
“The foil balloons inflated nicely”
“The most striking feature of these 18-inch balloons is their exceptional resilience”
“Everything came together nicely”
“I was very pleased with how everything looked”
What buyers complain about
“would not even inflate”
“Huge”
“Bad quality”
“Number 1 ballon was leaking air right away”
“Thick and hard to tie”
“were a very dark blue”
“Deflate quickly”
“Not As Pictured”
“Gold crown is not attached”
“With just air, they were hard to display and we had to end up stacking pillows behind and in front”
Top return reasons
Common questions
- Is 18 balloon numbers profitable to sell on Amazon United States?
- The niche generates $118K/yr across 58 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is -22.9%. Flapen's verdict: Skip it (48/100).
- How competitive is the 18 balloon numbers niche?
- 33 brands and 42 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 46% of demand.
- What do buyers complain about in 18 balloon numbers?
- Top complaints mined from reviews: Inflation/Deflation, Size-Overall, Quality-Overall. The return rate is 3.6%.
- When does demand for 18 balloon numbers peak?
- Demand peaks in Jan–Sep; the busiest month runs 1.7× the quietest.
- What does it cost to enter the 18 balloon numbers niche?
- Listings span $5.08–$18.91; the average listing price is $8.13 (sweet spot $15–$100). The average incumbent carries 2,666 reviews — the moat a new listing must climb.