21st Birthday Plates
MaybeThe top 5 products take only 19% of clicks. But shoppers spend an estimated $70K a year here, so 21st Birthday Plates is a Maybe.
- Flapen Score
- 54 / 100Top 28% of 14,768 Health & Household niches · +5 vs the category median of 4954
- Market size
- $70K/yr79K searches / yr
- 90-day growth
- +3.2%search demand this quarter
- Competition
- 19%top-5 click share · 54 brands · 56 sellers
Flapen Score
21st Birthday Plates against its category
The dotted line is the Health & Household average. Past it, 21st Birthday Plates is stronger. Inside it, weaker.
Market
The 21st Birthday Plates market on Amazon at a glance
Shoppers on Amazon United States searched for 21st Birthday Plates 79K times last year and spent an estimated $70K. The top 5 brands take 42% of clicks. Flapen scores it 54 out of 100, a Maybe.
01 · Demand
An estimated 7.3% of those searches ended in a purchase.
Shoppers searched for this 79K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.3% of those searches ended in a purchase. Searches in the last 90 days moved +3.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $70K a year.
- Searches, last 12 months
- 79K
- Growth, 90 days vs prior 90
- +3.2%
- Conversion, latest week
- 7.3%
- Market size, estimated
- $70Ka year
- Peak month
- August1.9× the quietest month
- Top search term
- 21st birthday plates29K searches a year
02 · Price
A sale here is worth $12.10.
Listings sell for $12.10 on average, from $4.73 to $24.99. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 0 to 100 of them. At $12.10 that is $0 to $1K a year per listing.
- Average price
- $12.10under the $15 to $100 sweet spot
- Price range
- $4.73–$24.99
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 5K–6K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$1K
- Returns
- 3.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
83% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 9.9% of listings are out of stock. The average listing ranks #1,586 within Disposable Plates, Bowls & Cutlery. It carries 169 reviews at 4.66 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 100%
- Out of stock, average day
- 9.9%
- Average rank
- #1,586in Disposable Plates, Bowls & Cutlery
- Average rating
- 4.66 starsAmazon United States average 4.42 stars
- Average reviews
- 169per listing
- Listings tracked
- 87
04 · Newcomers
0 of last year's 26 launches cleared the first-year sales bar.
26 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
- 26
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 25 months
Products
Top 21st Birthday Plates 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 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
60 PCS 21st Birthday Decorations for Women 21st Birthday Plates and Napkins Rose Gold Disposable Tableware Set Party Supplies for Women Girl Cheers to 21 Years Anniversary (21ST)
- Price
- $8.88
- Rating
- 4.7/5
- Reviews
- 82
- Age
- 9mo ago

40 Pcs 21st Birthday Decorations for Him Men Happy 21 Bday Decor Black and Gold 21 Years Tableware Table Decor 21st Birthday Plates Napkins for Her Women Party Supplies
- Price
- $9.77
- Rating
- 4.5/5
- Reviews
- 595
- Age
- 2y ago

IETOSY White and Gold 21st Birthday Party Tableware Decorations Plates and Napkins Disposable Paper 21st Plates Napkins for Her Him 21 Years Birthday Party Supplies Serves 20
- Price
- $10.83
- Rating
- 4.6/5
- Reviews
- 18
- Age
- 9mo ago

Pandecor Birthday Party Plates and Napkins Party Supplies Disposable Birthday Party Decorations Set Serve up to 20 Guests (21st)
- Price
- $11.82
- Rating
- 4.5/5
- Reviews
- 86
- Age
- 3y ago

IETOSY 21st Birthday Party Plates and Napkins 21 Years Decorations Black Silver Disposable Tableware Plates and Napkins Set for Her Him 21st Birthday Serves 20
- Price
- $11.01
- Rating
- 4.6/5
- Reviews
- 18
- Age
- 1y ago
Trending
estimated 90-day click momentum
96PCS 21st Champagne Bottle Birthday Decorations Happy 21st Pink Champagne Tableware Set Cheers to 21 Years Paper Plates Napkins for Girls Martini Theme Twenty-One Party Supplies Serve 24 Guests
- Price
- $16.85
- Rating
- 4.6/5
- Reviews
- 221
- Age
- 2mo ago

Bonjour Fte Cheers To 21 Icon Paper Party Cocktail Napkins | Premium Party Supplies| Gold Foil | Birthday Parties Milestone Celebrations Anniversaries Cocktail Tables | Pack of 20 5 Folded
- Price
- $8.70
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 5mo ago

Cekivina 20Pcs 9Inch 21st Birthday Plates Legal 21st Birthday Blue & Silver Theme Party Tableware Party Plate Set Disposable Dinner Plates for 21st Birthday Decorations for Him or Her
- Price
- $6.69
- Rating
- 4.6/5
- Reviews
- 37
- Age
- 7mo ago

120PCS 21th Birthday Decorations for Boys 21 Years Old Birthday Decorations Sweet 21 Plates Napkins Tablecloth for Boys Girls 21th Birthday Party Supplies
- Price
- $12.59
- Rating
- 4.8/5
- Reviews
- 181
- Age
- 7mo ago

60 Pcs 21st Birthday Decorations Black gold Paper Plates and Napkins Forks Party Tableware for Men Women Birthday Party Decorations Serve 20
- Price
- $8.20
- Rating
- 4.6/5
- Reviews
- 57
- Age
- 11mo ago
Newest
by launch date
96PCS 21st Champagne Bottle Birthday Decorations Happy 21st Pink Champagne Tableware Set Cheers to 21 Years Paper Plates Napkins for Girls Martini Theme Twenty-One Party Supplies Serve 24 Guests
- Price
- $16.85
- Rating
- 4.6/5
- Reviews
- 221
- Age
- 2mo ago

Bonjour Fte Cheers To 21 Icon Paper Party Cocktail Napkins | Premium Party Supplies| Gold Foil | Birthday Parties Milestone Celebrations Anniversaries Cocktail Tables | Pack of 20 5 Folded
- Price
- $8.70
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 5mo ago

Cekivina 20Pcs 9Inch 21st Birthday Plates Legal 21st Birthday Blue & Silver Theme Party Tableware Party Plate Set Disposable Dinner Plates for 21st Birthday Decorations for Him or Her
- Price
- $6.69
- Rating
- 4.6/5
- Reviews
- 37
- Age
- 7mo ago

120PCS 21th Birthday Decorations for Boys 21 Years Old Birthday Decorations Sweet 21 Plates Napkins Tablecloth for Boys Girls 21th Birthday Party Supplies
- Price
- $12.59
- Rating
- 4.8/5
- Reviews
- 181
- Age
- 7mo ago

IETOSY White and Gold 21st Birthday Party Tableware Decorations Plates and Napkins Disposable Paper 21st Plates Napkins for Her Him 21 Years Birthday Party Supplies Serves 20
- Price
- $10.83
- Rating
- 4.6/5
- Reviews
- 18
- Age
- 9mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 19% of clicks, no more. An open shelf where new products get seen.
Brands
54 falling
Sellers
56
Est. top-5 brand share
42%
Top 20: 79%
Est. top-5 click share
19%
Top 20: 53%
Open market
54%
- KHAIVI11%
- IETOSY10%
- LDFDRT8%
- Juhap7%
- KFJBPB6%
- Greencian4%
Demand
21st Birthday Plates search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.9×
Search terms
Top 21st Birthday Plates search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 21st birthday plates29K/yr
- 21st birthday plates and napkins29K/yr
- 21st birthday napkins16K/yr
- 21st birthday cake plates5K/yr
Reviews and returns
What reviews say buyers love and hate about 21st Birthday Plates
We read the reviews and the return reasons for every product selling here.
“did not fit well”
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.
15 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 Plates 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









