sanrio birthday decorations
Worth a lookShows a thin review moat (143 avg reviews), but weak search conversion (1.8%) keeps it on the watch list.
Review moat
Great143.13avg incumbent reviews — the moat a new listing must climb
Returns
Great1.5%return rate — above 5% kills the launch gate
Brand share
Great52%top-5 brand share — no brand owns this niche
Avg price
Great$18.22avg listing price — sweet spot $15–$100
Competition
Great37%top-5 click share — an open shelf
Price range
Good$4.97–$29.87cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+3.6%90-day search growth — must beat 0% to launch
Market size
Okay$105K$105K/yr · 316K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, sanrio birthday decorations is a $105K/yr Amazon United States market (316K searches/yr). The top 5 brands hold 52% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 53/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
sanrio birthday decorations market data
- Units sold / yr
- 6K–8K
- avg 0–100/product
- Revenue / yr
- $109K–$146K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #2,307
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 69%
- Out of stock
- 20.2%
- Avg brand age
- 25 months
- Avg seller age
- 145 days
Competition & brand share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
30 falling
Sellers
63
Top-5 brand share
52%
Top 20: 91%
Top-5 click share
37%
Top 20: 75%
Open market
44%
- MLEDUY18%
- BNFUO12%
- PINUO12%
- Lamden6%
- Unique5%
- Signreen5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +3.6% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 2.2×
Top sanrio birthday decorations search terms
- hello kitty and friends birthday decorations104K/yr
- sanrio birthday decorations95K/yr
- kawaii birthday decorations29K/yr
- sanrio party decorations19K/yr
- sanrio birthday16K/yr
- kawaii party decorations8K/yr
- hello kitty and friends party decorations8K/yr
- sanrio party7K/yr
- hello kitty and friends birthday7K/yr
- kawaii decorations5K/yr
Top sanrio birthday decorations 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
Kawaii Birthday Party Decorations Cute Cartoon Party Supplies - Banner Balloons Tablecloth Paper Tableware Backdrop Hanging Swirl for Adult Birthday Decor
MLEDUY$23.774.4★13 rev

Kawaii and Friends Birthday Decorations Kawaii and Friends Backdrops for Party Decorations Supplies Happy Birthday Banner Backdrop for Party Supplies (5x3ft)
PINUO$10.844.8★9 rev

10 Pcs Kawaii Cartoon Porch Sign Birthday Party Supplies
MLEDUY$10.014.6★47 rev

Keroppi Kitty Melody Birthday Party Supplies Kawaii Party Tableware with Happy Birthday Banner Tablecloth Disposable Paper Plates with Napkins for Fans Party Decorations Serves 20 Guests
Lamden$23.244.6★36 rev

Kawaii and Friends Birthday Decorations Kawaii and Friends Party Supplies Include Happy Birthday Banner Cake Topper and Cupcake Toppers Balloons for Kids Party Decor
BNFUO$17.104.7★17 rev
Newest
by launch date
Kawaii Cartoon Theme Birthday Decorations And Party Supplies Include: Birthday Banner Backdrop Hanging Swirls Balloons Cupcake Toppers Tablecloth.
Generic$15.981 rev

Kawaii Birthday Party Decorations Cute Cartoon Party Supplies - Banner Balloons Tablecloth Paper Tableware Backdrop Hanging Swirl for Adult Birthday Decor
MLEDUY$23.7713 rev

Kawaii Pink Birthday Decorations Pack Set for Themed Celebration
Signreen$18.551 rev

49Pcs - Kitty Birthday Party Decorations Set Pink Theme with Banner Balloons Tablecloth Cake Toppers.
Celunhasev$20.8739 rev

Cinnamoroll Birthday Decorations 101PCS Party Supplies Set Include Banner Balloons Stickers Hanging Swirls Cake Cupcake Toppers Tablecloth for Kids Cinnamoroll Theme Party
AVONO$20.7950 rev
Trending
90-day click momentum
Kawaii Cartoon Theme Birthday Decorations And Party Supplies Include: Birthday Banner Backdrop Hanging Swirls Balloons Cupcake Toppers Tablecloth.
Generic$15.981.0★

Kawaii Birthday Party Decorations Cute Cartoon Party Supplies - Banner Balloons Tablecloth Paper Tableware Backdrop Hanging Swirl for Adult Birthday Decor
MLEDUY$23.774.4★

Kawaii Pink Birthday Decorations Pack Set for Themed Celebration
Signreen$18.555.0★

Cartoon Birthday Party Decorations Supplies Party Supplies Kit Include Birthday Banner Foil Balloons Backdrop Tablecloth Hanging Swirls for Adult Birthday Party
Signreen$19.010.0★

Kitty and Friends Happy Birthday Backdrop Kawaii and Friends Banner Poster for Boys Girls Theme Party Decorations Cartoon Anime Birthday Supplies Background Studio Shoot Photo Props Booth
Generic$13.335.0★
What buyers say about sanrio birthday decorations
What buyers praise and complain about, mined from review topics.What buyers love
“The bags are a good quality -”
“GREAT PRICE”
“Just what I needed”
“Cute colors”
“Cute aesthetic”
“Great size”
“kids loved it”
“Perfect for birthday gift bags”
“I love that they are durable”
“Easy to assemble”
What buyers complain about
“However, the pins are extremely low quality”
“Balloons are big”
“Not as advertised”
“Underwhelming for the price”
“The plates were open and vent, the banner had ink smeared all over it, the balloons smelled toxic”
“Recommend for indoor when its windy they rip easily an didnt stick how they are suppose to”
“The cardstock cake topper isn't thick”
“- the banner is not pre assembled”
“They fell apart”
“Not so yummy”
Top return reasons
Common questions
- Is sanrio birthday decorations profitable to sell on Amazon United States?
- The niche generates $105K/yr across 45 tracked products. 6 of 15 products launched in the last 360 days are still selling. 90-day search growth is +3.6%. Flapen's verdict: Worth a look (53/100).
- How competitive is the sanrio birthday decorations niche?
- 30 brands and 63 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 52% of demand.
- What do buyers complain about in sanrio birthday decorations?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Advertised Vs Actual Product. The return rate is 1.5%.
- When does demand for sanrio birthday decorations peak?
- Demand peaks in Aug–Sep; the busiest month runs 2.2× the quietest.
- What does it cost to enter the sanrio birthday decorations niche?
- Listings span $4.97–$29.87; the average listing price is $18.22 (sweet spot $15–$100). The average incumbent carries 143 reviews — the moat a new listing must climb.