four ever a princess birthday
Worth a lookShows no brand lock-in (top 5 brands take 42% of clicks), but a small market ($86K/yr) keeps it on the watch list.
Brand share
Great42%top-5 brand share — no brand owns this niche
Review moat
Great174.84avg incumbent reviews — the moat a new listing must climb
Avg price
Great$15.83avg listing price — sweet spot $15–$100
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Returns
Good2.3%return rate — above 5% kills the launch gate
Price range
Good$5.89–$30.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Growth
Okay+1.7%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$86K$86K/yr · 194K searches
According to Flapen's Amazon United States niche tracking, four ever a princess birthday is a $86K/yr Amazon United States market (194K searches/yr). The top 5 brands hold 42% of demand. Demand peaks in Jan. Verdict: Worth a look — 52/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
four ever a princess birthday market data
- Units sold / yr
- 5K–6K
- avg 0–100/product
- Revenue / yr
- $79K–$95K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #2,803
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 95%
- Out of stock
- 6.3%
- Avg brand age
- 22 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
34 falling
Sellers
53
Top-5 brand share
42%
Top 20: 87%
Top-5 click share
42%
Top 20: 86%
Open market
52%
- Monnberry11%
- cocomigo10%
- Cextoga10%
- Xynic6%
- CasaPopz6%
- AETGDDS6%
Demand & seasonality
Weekly Amazon search volume, last 58 weeks — +1.7% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 2.0×
Top four ever a princess birthday search terms
- four ever a princess birthday decorations96K/yr
- fourever a princess birthday decorations girl35K/yr
- 4 ever a princess birthday party decorations30K/yr
- four ever a princess17K/yr
- princess 4th birthday party decorations7K/yr
- forever a princess party decoration5K/yr
- four ever a princess birthday3K/yr
Top four ever a princess birthday 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
293 Pcs Four Ever a Princess Birthday Decorations Princess Party Decorations Set Serves 25 - Banner Balloon Arch Kit Tableware Cake Toppers Backdrop for 4th birthday decorations girl
cocomigo$30.485.0★31 rev

Four Ever a Princess Birthday Decorations Princess 4th Birthday Party Decoration Supplies Balloon Garland Castle Balloon Tablecloth Backdrop Cake Topper
Monnberry$28.864.8★24 rev

Four Ever A Princess Birthday Decorations Tableware 197pcs 4th Birthday Decorations Girl Plates and Napkins Cups Tablecloth Banner Honeycomb for Princess 4th Birthday Party Decorations Serve 24
Cextoga$24.204.4★21 rev

Xynic 201Pcs Four Ever a Princess Birthday Decorations Tableware Set Serves 25 Princess party Supplies Includes Banner Plates Tablecloth Cake Topper for 4th Birthday Decorations girl
Xynic$23.864.5★23 rev

Pink Birthday Number 4 Candle for Cake Pink Crown Cake Topper Princess Birthday Party Decorations Cupcake Topper Party Favors Decor Supplies
CasaPopz$5.944.7★907 rev
Newest
by launch date
Lomantank Princess 4th Birthday Decorations Set Four Ever a Princess Theme
Lomantank$25.940 rev

Four Ever A Princess Birthday Decorations Tableware 197pcs 4th Birthday Decorations Girl Plates and Napkins Cups Tablecloth Banner Honeycomb for Princess 4th Birthday Party Decorations Serve 24
Cextoga$24.2021 rev

Four Ever a Princess Birthday Decorations Princess 4th Birthday Party Decoration Supplies Balloon Garland Castle Balloon Tablecloth Backdrop Cake Topper
Monnberry$28.8624 rev

Polinook 202 Pcs Four Ever a Princess Birthday Decorations Tableware Set - Service 24 Guests - Includes Banner Cake Topper Balloons Plates And Napkins Paper Cup - For 4th Birthday Decorations Girl
Polinook$17.7026 rev

293 Pcs Four Ever a Princess Birthday Decorations Princess Party Decorations Set Serves 25 - Banner Balloon Arch Kit Tableware Cake Toppers Backdrop for 4th birthday decorations girl
cocomigo$30.4831 rev
Trending
90-day click momentum
Lomantank Princess 4th Birthday Decorations Set Four Ever a Princess Theme
Lomantank$25.940.0★

293 Pcs Four Ever a Princess Birthday Decorations Princess Party Decorations Set Serves 25 - Banner Balloon Arch Kit Tableware Cake Toppers Backdrop for 4th birthday decorations girl
cocomigo$30.485.0★

Princess Balloons for 4th Birthday Decorations Girl Pink Castle Balloon Large Pink Crown Number 4 Balloons for Princess Birthday Party Decorations Supplies
Aikitub$9.854.7★

Mayflower Products Anagram Princess Once Upon A Time Foil Balloon Bouquet Medium Multicolor (3980801)
Amscan$12.584.6★

Four Ever A Princess Birthday Decorations Tableware 197pcs 4th Birthday Decorations Girl Plates and Napkins Cups Tablecloth Banner Honeycomb for Princess 4th Birthday Party Decorations Serve 24
Cextoga$24.204.4★
What buyers say about four ever a princess birthday
What buyers praise and complain about, mined from review topics.What buyers love
“super solid quality”
“Excellent value”
“Vibrant colors”
“Exactly as described”
“sophisticated touch to the design”
“Great size”
“The setup was incredibly straightforward”
“didnt break”
“it is very easy to use”
“What a beautiful birthday decoration package”
What buyers complain about
“While they're not the best quality party supplies you'll ever find”
“Setup took a bit of time”
“Muy pequeño”
“Color was a little off than in the picture”
“Definitely not what I thought it was going to be”
“Broken”
“Blow it up and tie it down on all corners otherwise, it's useless”
“The 4 doesnt start up right”
“Like dirty”
“The balloons deflated within an hour of blowing up”
Top return reasons
Common questions
- Is four ever a princess birthday profitable to sell on Amazon United States?
- The niche generates $86K/yr across 37 tracked products. 4 of 15 products launched in the last 360 days are still selling. 90-day search growth is +1.7%. Flapen's verdict: Worth a look (52/100).
- How competitive is the four ever a princess birthday niche?
- 34 brands and 53 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 42% of demand.
- What do buyers complain about in four ever a princess birthday?
- Top complaints mined from reviews: Quality-Overall, Assembly/Installation, Size-Overall. The return rate is 2.3%.
- When does demand for four ever a princess birthday peak?
- Demand peaks in Jan; the busiest month runs 2.0× the quietest.
- What does it cost to enter the four ever a princess birthday niche?
- Listings span $5.89–$30.77; the average listing price is $15.83 (sweet spot $15–$100). The average incumbent carries 175 reviews — the moat a new listing must climb.