21st Birthday Sash
FailPrices span $5.74–$12.79, mostly outside the sweet spot, so 21st Birthday Sash is a Fail.
- Flapen Score
- 36 / 100Ranks 9,802 of 10,978 Beauty & Personal Care niches · −12 vs the category median of 4836
- Market size
- $239K/yr601K searches / yr
- 90-day growth
- -1.3%search demand this quarter
- Competition
- 76%top-5 click share · 10 brands · 12 sellers
Flapen Score
21st Birthday Sash against its category
The dotted line is the Beauty & Personal Care average. Past it, 21st Birthday Sash is stronger. Inside it, weaker.
Market
The 21st Birthday Sash market on Amazon at a glance
Shoppers on Amazon United States searched for 21st Birthday Sash 601K times last year and spent an estimated $239K. The top 5 brands take 84% of clicks. Flapen scores it 36 out of 100, a Fail.
01 · Demand
An estimated 4.5% of those searches ended in a purchase.
Shoppers searched for this 601K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.5% of those searches ended in a purchase. Searches in the last 90 days moved -1.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $239K a year.
- Searches, last 12 months
- 601K
- Growth, 90 days vs prior 90
- -1.3%
- Conversion, latest week
- 4.5%
- Market size, estimated
- $239Ka year
- Peak month
- July1.6× the quietest month
- Top search term
- 21st birthday sash337K searches a year
02 · Price
A sale here is worth $8.90.
Listings sell for $8.90 on average, from $5.74 to $12.79. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 1,000 to 1,250 of them. At $8.90 that is $9K to $11K a year per listing.
- Average price
- $8.90under the $15 to $100 sweet spot
- Price range
- $5.74–$12.79
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 30K–40K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $9K–$11K
- Returns
- 2.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
85% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.4% of listings are out of stock. The average listing ranks #847 within Headbands. It carries 720 reviews at 4.65 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 85%
- Prime listings
- 100%
- Out of stock, average day
- 2.4%
- Average rank
- #847in Headbands
- Average rating
- 4.65 starsAmazon United States average 4.42 stars
- Average reviews
- 720per listing
- Listings tracked
- 13
04 · Newcomers
Brands here are young.
The brands on the shelf have sold for 26 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 26 months
Products
Top 21st Birthday Sash 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 13, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
21st Birthday Crowns and Sash for Women Birthday Sash Princess Tiara Headband Rose Gold Crown with Combs Crystal Tiaras Headpieces for Party Hair Accessories Gifts
- Price
- $8.48
- Rating
- 4.6/5
- Reviews
- 200
- Age
- 2y ago

Araluky Happy 21st Birthday Decorations for Her with Happy 21st Birthday Sash for Women & Twenty-one Crown 21 years old Gifts
- Price
- $12.79
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 2y ago

Docooniver 21st Birthday Sash for Girls and Women Finally 21 Sash White with Gold Foil Lettering
- Price
- $5.99
- Rating
- 4.7/5
- Reviews
- 1,460
- Age
- 4y ago

KICOSY 21st Birthday Crowns and Sash for Women Princess Tiara Sash Set Elegant Sliver Crown with Combs for Girls 21st Birthday Decorations for Her Party Hair Accessories Gifts
- Price
- $10.00
- Rating
- 4.7/5
- Reviews
- 93
- Age
- 2y ago

PartyForever 21st Birthday Decoration Sash for Women Im 21! Black 33.5 inch Long with Rose Gold Letters for Her
- Price
- $8.06
- Rating
- 4.7/5
- Reviews
- 356
- Age
- 4y ago
Trending
estimated 90-day click momentum
Araluky Happy 21st Birthday Decorations for Her with Happy 21st Birthday Sash for Women & Twenty-one Crown 21 years old Gifts
- Price
- $12.79
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 2y ago

Docooniver 21st Birthday Sash for Girls and Women Finally 21 Sash White with Gold Foil Lettering
- Price
- $5.99
- Rating
- 4.7/5
- Reviews
- 1,460
- Age
- 4y ago

21st Birthday Crowns and Sash for Women Birthday Sash Princess Tiara Headband Rose Gold Crown with Combs Crystal Tiaras Headpieces for Party Hair Accessories Gifts
- Price
- $8.48
- Rating
- 4.6/5
- Reviews
- 200
- Age
- 2y ago

Luwigs Finally 21 Birthday Sash with Glitter Gold Sash with Black Foil 21st Birthday Decoration Sash for Men and Women Bday Party Favors Supplies (Gold)
- Price
- $6.99
- Rating
- 4.4/5
- Reviews
- 17
- Age
- 2y ago

21st Birthday Decorations for Her Include 21st Birthday Sash and Tiara Cake Topper and Candles Number Balloons 21 Year Old Gifts for Her
- Price
- $10.06
- Rating
- 4.7/5
- Reviews
- 3,507
- Age
- 3y ago
Newest
by launch date
21st Birthday Decorations for Her with 21st Birthday Sash and Crown Candles Gold Gifts for 21 Year Old Girls
- Price
- $9.93
- Rating
- 4.7/5
- Reviews
- 1,096
- Age
- 1y ago

21st Birthday Decorations for Her with 21st Birthday Sash White and Tiara Gold 21 Candles Gold 21 Year Old Gifts for Her
- Price
- $9.81
- Rating
- 4.7/5
- Reviews
- 1,096
- Age
- 1y ago

Semato 21st Birthday Decorations for Her Sash and Crown Tiara Kit Rose Gold 21st Birthday Gifts for Girls Party Supplies
- Price
- $11.81
- Rating
- 4.8/5
- Reviews
- 239
- Age
- 1y ago

Vuzvuv Finally 21 Birthday Sash with Glitter 21st Birthday Decoration 21st Sash for Women Man Twenty One Party Favors Supplies and Decor-Black
- Price
- $5.74
- Rating
- 4.6/5
- Reviews
- 86
- Age
- 2y ago

Luwigs Finally 21 Birthday Sash with Glitter Gold Sash with Black Foil 21st Birthday Decoration Sash for Men and Women Bday Party Favors Supplies (Gold)
- Price
- $6.99
- Rating
- 4.4/5
- Reviews
- 17
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.
Brands
10 falling
Sellers
12
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
76%
Top 20: 100%
Open market
12%
- KICOSY41%
- Araluky22%
- PartyForever8%
- Docooniver7%
- Juesly6%
- Semato4%
- Open — no brand owns it (4 brands, 12%)
Demand
21st Birthday Sash search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.6×
Search terms
Top 21st Birthday Sash search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 21st birthday sash337K/yr
- 21st birthday crown45K/yr
- 21st birthday sash and crown33K/yr
- 21 sash22K/yr
- 21st birthday tiara23K/yr
- finally 21 birthday sash17K/yr
- birthday sash 2114K/yr
- 21 birthday sash14K/yr
- 21st birthday crown and sash12K/yr
- 21st birthday sash for women13K/yr
Reviews and returns
What reviews say buyers love and hate about 21st Birthday Sash
We read the reviews and the return reasons for every product selling here.
“This was a tad cheaper quality than expected”
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 21st Birthday Sash 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









