---
title: "18 Balloon Numbers — $118K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/18-balloon-numbers"
last_updated: "2026-08-09T07:39:17.373Z"
locale: en
meta:
description: "Niche score 48/100 · $118K/yr market · 236K searches/yr · $8.13 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $118K/yr market · 236K searches/yr · $8.13 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "18 Balloon Numbers — $118K/yr Amazon US Niche (2026) - Flapen"
---
# **18 balloon numbers**
**Skip it**
Soft demand (-22.9% this quarter) — this niche doesn't clear our bar today.
Market size 28Growth 14Conversion 68Competition 82Returns 43Price range 28Avg price 23Brand share 89Review moat 38Quality gap 47
**Brand share**
**Great****46%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****33%**
top-5 click share — an open shelf
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Returns**
**Okay****3.6%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****2,666.07**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$118K**
$118K/yr · 236K searches
**Price range**
**Okay****$5.08–$18.91**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Bad****$8.13**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-22.9%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
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 ~~](https://flapen.com/research/methodology)
## **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.
6K4KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Sep · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/18-balloon-numbers/trend)
## **Top 18 balloon numbers search terms**
- **18 balloon numbers**80K/yr-31.7%6.0% conv. - **18th birthday balloons**51K/yr-25.1%3.7% conv. - **18 balloons**30K/yr-0.1%3.2% conv. - **18 balloon**18K/yr-13.9%4.5% conv. - **number 18 balloons**11K/yr-31.0%4.9% conv. - **18th birthday balloon**7K/yr-8.4%3.0% conv. - **18 number balloons**7K/yr-1.6%5.2% conv. - **numero 18 para cumpleaos**7K/yr-21.5%2.4% conv. - **18 balloons for birthday**7K/yr-49.9%5.5% conv. - **happy 18th birthday balloons**6K/yr-30.3%1.3% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/18-balloon-numbers/search-terms)
## **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.
0%3%$4K6%$7K9%$11K12%$14K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**$6.33**4.4★1,322 rev](https://www.amazon.com/dp/B0DD3WZVSN) [2**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**$8.36**4.3★4,285 rev](https://www.amazon.com/dp/B0C7Z4H2GD) [3**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**$6.91**4.6★15,371 rev](https://www.amazon.com/dp/B09368MQM1) [4**OFFCUP Helium Balloons 40 Inches Number Balloons 18 Foil Balloons Birthday Balloon Large Numbers Balloons for Birthday Wedding Party Decorations Celebration Supplies (Gold)**OFFCUP**$5.08**4.3★2,424 rev](https://www.amazon.com/dp/B0CQT7HZYQ) [5**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**$6.04**4.6★931 rev](https://www.amazon.com/dp/B07556CB2H)
**~~View all top sellers →~~**
### **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**$6.23**353 rev1y ago](https://www.amazon.com/dp/B0F2672PWQ) [**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**$7.07**592 rev1y ago](https://www.amazon.com/dp/B0F1NF29SM) [**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**$6.89**331 rev1y ago](https://www.amazon.com/dp/B0DZBZ2FZ7) [**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**$5.52**277 rev1y ago](https://www.amazon.com/dp/B0DW4J2J6F) [**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**$6.33**1,322 rev1y ago](https://www.amazon.com/dp/B0DD3WZVSN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Jonhamwelbor 18 Number Balloons Black Foil Mylar**Jonhamwelbor**$7.52**4.5★**▲ 162%**](https://www.amazon.com/dp/B08DCNJW61) [**OFFCUP Helium Balloons 40 Inches Number Balloons 18 Foil Balloons Birthday Balloon Large Numbers Balloons for Birthday Wedding Party Decorations Celebration Supplies (Gold)**OFFCUP**$5.08**4.3★**▲ 111%**](https://www.amazon.com/dp/B0CQT7HZYQ) [**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**$6.23**4.2★**▲ 94%**](https://www.amazon.com/dp/B0F2672PWQ) [**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**$6.91**4.6★**▲ 72%**](https://www.amazon.com/dp/B09368MQM1) [**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**$6.77**4.7★**▲ 38%**](https://www.amazon.com/dp/B0D1M7GSBJ)
**~~View all trending →~~**
## **What buyers say about 18 balloon numbers**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Adorable, good quality and easy to use colors are great”*
**Color**11%
*“The color is really pretty”*
**Value For Money**10%
*“Good for the price”*
**Advertised Vs Actual Product**9%
*“Exactly what I needed”*
**Durability**9%
*“durable and large”*
**Size-Overall**7%
*“Consistent color and size”*
**Inflation/Deflation**6%
*“The foil balloons inflated nicely”*
**Strength**3%
*“The most striking feature of these 18-inch balloons is their exceptional resilience”*
**Assembly/Installation**3%
*“Everything came together nicely”*
**Design-Overall**3%
*“I was very pleased with how everything looked”*
### **What buyers complain about **
**Inflation/Deflation**28%
*“would not even inflate”*
**Size-Overall**19%
*“Huge”*
**Quality-Overall**14%
*“Bad quality”*
**Leak-Proof**5%
*“Number 1 ballon was leaking air right away”*
**Thickness**4%
*“Thick and hard to tie”*
**Color**3%
*“were a very dark blue”*
**Durability**3%
*“Deflate quickly”*
**Advertised Vs Actual Product**2%
*“Not As Pictured”*
**Add-Ons/Attachments**2%
*“Gold crown is not attached”*
**Display-Overall**2%
*“With just air, they were hard to display and we had to end up stacking pillows behind and in front”*
### **Top return reasons **
**Size-Overall**35%
**Color**17%
**Value For Money**13%
**Inflation/Deflation**10%
**Advertised Vs Actual Product**5%
**Quality-Overall**3%
**Functionality-Overall**3%
**Brightness/Shine/Glow**3%
**Bulb Flicker/Dimming/Color**2%
**Defective Material/Parts**2%
## **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.
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