21 Balloons
FailDemand is soft, at -11.6% this quarter, so 21 Balloons is a Fail.
- Flapen Score
- 49 / 100Ranks 5,355 of 11,240 Home & Kitchen niches · on the category median49
- Market size
- $117K/yr191K searches / yr
- 90-day growth
- -11.6%search demand this quarter
- Competition
- 36%top-5 click share · 30 brands · 34 sellers
Flapen Score
21 Balloons against its category
The dotted line is the Home & Kitchen average. Past it, 21 Balloons is stronger. Inside it, weaker.
Market
The 21 Balloons market on Amazon at a glance
Shoppers on Amazon United States searched for 21 Balloons 191K times last year and spent an estimated $117K. The top 5 brands take 56% of clicks. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 8.2% of those searches ended in a purchase.
Shoppers searched for this 191K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 8.2% of those searches ended in a purchase. Searches in the last 90 days moved -11.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $117K a year.
- Searches, last 12 months
- 191K
- Growth, 90 days vs prior 90
- -11.6%
- Conversion, latest week
- 8.2%
- Market size, estimated
- $117Ka year
- Peak month
- September1.7× the quietest month
- Top search term
- 21 balloons66K searches a year
02 · Price
A sale here is worth $7.46.
Listings sell for $7.46 on average, from $4.93 to $19.76. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 250 to 500 of them. At $7.46 that is $2K to $4K a year per listing.
- Average price
- $7.46under the $15 to $100 sweet spot
- Price range
- $4.93–$19.76
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $2K–$4K
- Returns
- 3.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
98% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.2% of listings are out of stock. The average listing ranks #584 within Balloons. It carries 2,168 reviews at 4.48 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 98%
- Prime listings
- 100%
- Out of stock, average day
- 2.2%
- Average rank
- #584in Balloons
- Average rating
- 4.48 starsAmazon United States average 4.42 stars
- Average reviews
- 2,168per listing
- Listings tracked
- 51
04 · Newcomers
0 of last year's 6 launches cleared the first-year sales bar.
6 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 25 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 6
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 25 months
Products
Top 21 Balloons products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 10, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Champagne Gold Large Number 21 Balloon 40 Inch Light Gold Foil Helium Number Balloons Giant Mylar Number 21 Balloons for 21 Years Old Birthday Party Anniversary Decorations (Champagne Gold 21)
- Price
- $6.93
- Rating
- 4.4/5
- Reviews
- 331
- Age
- 1y ago

40inch Jumbo Black 21 number balloons for 21st Birthday Decorations helium balloons party supplies use them as Props for Photos (Black 21)
- Price
- $6.06
- Rating
- 4.6/5
- Reviews
- 1,235
- Age
- 8y ago

Silver 21 Number Balloons Big Giant Jumbo Large Number 21 Foil Mylar Balloons for Girl Women Men 21st Birthday Party Supplies 21 Anniversary Events Decorations-40 inch
- Price
- $7.95
- Rating
- 4.5/5
- Reviews
- 7,210
- Age
- 7y ago

Champagne Gold 21st Birthday Balloons for Her 40In Light Gold Foil Number 21 Balloons for Boys Girls Birthday Party Balloons Numbers 2 and 1 for Women Men 12th 21st Anniversary Decorations Supplies
- Price
- $7.91
- Rating
- 4.3/5
- Reviews
- 4,285
- Age
- 3y ago

Beige 21st Birthday Balloons Number 21 40 Inch Large Foil 1 & 2 Numbers Balloons for 21 Year Old Boys Girls Cream Giant Helium Balloon for Women Men 21st 12th Birthday Anniversary Party Decorations
- Price
- $6.97
- Rating
- 4.4/5
- Reviews
- 592
- Age
- 1y ago
Trending
estimated 90-day click momentum
Champagne Gold Large Number 21 Balloon 40 Inch Light Gold Foil Helium Number Balloons Giant Mylar Number 21 Balloons for 21 Years Old Birthday Party Anniversary Decorations (Champagne Gold 21)
- Price
- $6.93
- Rating
- 4.4/5
- Reviews
- 331
- Age
- 1y ago

Jonhamwelbor 21 Number Balloons Silver Giant Jumbo Big Large Number 21 Foil Mylar Balloons for 12th or 21st Birthday Party Supplies 12 or 21 Anniversary Events Decorations
- Price
- $7.95
- Rating
- 4.5/5
- Reviews
- 7,386
- Age
- 5y ago

Big Number 21 Balloons Light Dusty Blue Foil 21 Balloon Numbers 40 Inch Giant 21st Birthday Party Decor Pastel Baby Sky Blue Mylar Helium Self Inflating Balloon for Boys Men Anniversary Decorations
- Price
- $7.90
- Rating
- 4.4/5
- Reviews
- 838
- Age
- 1y ago

Beige 21st Birthday Balloons Number 21 40 Inch Large Foil 1 & 2 Numbers Balloons for 21 Year Old Boys Girls Cream Giant Helium Balloon for Women Men 21st 12th Birthday Anniversary Party Decorations
- Price
- $6.97
- Rating
- 4.4/5
- Reviews
- 592
- Age
- 1y ago

40 Inch Number Balloons 12/21 Black Big Giant Jumbo Number Foil Mylar Balloons for 12th/21th Birthday Party Supplies Anniversary Events Decorations(black-12/21)
- Price
- $5.90
- Rating
- 4.2/5
- Reviews
- 166
- Age
- 1y ago
Newest
by launch date
4 Pcs Champagne Balloons Huge Rose Gold Champagne Bottle Goblet Aluminum Foil Balloons for Birthday Bachelorette Bridal Shower Wedding Anniversary Engagement Party Decorations Supplies
- Price
- $6.79
- Rating
- 4.7/5
- Reviews
- 252
- Age
- 1y ago

Rose Gold 21st Birthday Decorations for Her 21 Balloon Number 40 Inch Champagne Balloon for Rose Gold Birthday Decorations Bachelorette Party Decor
- Price
- $8.39
- Rating
- 4.7/5
- Reviews
- 6
- Age
- 1y ago

40 Inch 21 Number Balloon Black Birthday Decorations for Men Women Birthday Balloon for 12 21st Party Decor Anniversaries Celebration Party Graduation
- Price
- $5.91
- Rating
- 4.5/5
- Reviews
- 752
- Age
- 1y ago

Big Number 21 Balloons Light Dusty Blue Foil 21 Balloon Numbers 40 Inch Giant 21st Birthday Party Decor Pastel Baby Sky Blue Mylar Helium Self Inflating Balloon for Boys Men Anniversary Decorations
- Price
- $7.90
- Rating
- 4.4/5
- Reviews
- 838
- Age
- 1y ago

Light Pink 21st Birthday Balloon for Women 40 Self Inflating Mylar Number 21 Balloons Big Blush Pastel Pink Foil 2 & 1 Helium Balloon for Her Boho Coquette 12th 21st Birthday Party Decorations
- Price
- $7.02
- Rating
- 4.4/5
- Reviews
- 592
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 36% of clicks, no more. An open shelf where new products get seen.
Brands
30 rising
Sellers
34
Est. top-5 brand share
56%
Top 20: 92%
Est. top-5 click share
36%
Top 20: 74%
Open market
39%
- Lingqiang16%
- COLORFUL ELVES11%
- AIQINHU11%
- KAINSY9%
- Scorpio9%
- LHOAVWE6%
Demand
21 Balloons search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.7×
Search terms
Top 21 Balloons search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 21 balloons66K/yr
- 21st birthday balloons56K/yr
- 21 balloon15K/yr
- 21st balloons7K/yr
- 21 number balloons5K/yr
- 21st birthday balloon5K/yr
- 21 ballons4K/yr
- 21 birthday balloons3K/yr
- 21 balloon number31K/yr
Reviews and returns
What reviews say buyers love and hate about 21 Balloons
We read the reviews and the return reasons for every product selling here.
“Would not fully inflate”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 21 Balloons questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









