two cool birthday party decorations
Skip itA small market ($27K/yr) — this niche doesn't clear our bar today.
Review moat
Great110.55avg incumbent reviews — the moat a new listing must climb
Avg price
Good$14.22avg listing price — sweet spot $15–$100
Price range
Good$5.86–$29.92cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good72%top-5 brand share — brands hold most of the demand
Returns
Good2.8%return rate — above 5% kills the launch gate
Competition
Okay55%top-5 click share — leaders hold, buyers still browse
Growth
Okay+12.0%90-day search growth — must beat 0% to launch
Conversion
Okay2.2%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$27K$27K/yr · 86K searches
According to Flapen's Amazon United States niche tracking, two cool birthday party decorations is a $27K/yr Amazon United States market (86K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Skip it — 42/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
two cool birthday party decorations market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $36K–$43K
- units × avg price
- Conversion rate
- 2.2%
- Avg BSR
- #1,757
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 95%
- Out of stock
- 2.3%
- Avg brand age
- 29 months
- Avg seller age
- 187 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
18
Top-5 brand share
72%
Top 20: 100%
Top-5 click share
55%
Top 20: 97%
Open market
24%
- GLIGLITTR42%
- Zypynith10%
- SANIXJOO8%
- Hombae8%
- PATYFEIR5%
- Blithestars4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +12.0% search growth over the last 90 days.Peak months: Jun, Jul, Aug · busiest ÷ quietest = 3.0×
Top two cool birthday party decorations search terms
- two cool birthday party decorations boy50K/yr
- two cool9K/yr
- 2 cool birthday decorations for boys8K/yr
- two cool birthday7K/yr
- two cool birthday decorations11K/yr
Top two cool birthday party 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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
GLIGLITTR Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boys Second Bday Party Short Sleeve Outfits Tops(Black2 2T)
GLIGLITTR$14.124.7★357 rev
Zypynith 2 Year Old Boy Birthday Gift:Two Cool T-Shirt for Boys 2nd Birthday Outfit Clothes Decorations Black and White
Zypynith$10.764.4★36 rev
Hombae Two Cool Birthday Party Decorations Boy 122 PCs Two Cool Theme Party Supplies with Balloon Garland Banner Backdrop Cake & Cupcake Topper Boxes Poster for Boy Birthday
Hombae$29.925.0★5 rev
GLIGLITTR Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boys Second Bday Party Short Sleeve Outfits Tops(Blue2 2T)
GLIGLITTR$15.254.7★357 rev
Two Cool Birthday Party Decorations & Supplies - I AM TWO Banner Balloons Cake Topper for Little Mans 2nd Birthday
PATYFEIR$13.034.6★300 rev
Newest
by launch dateHombae Two Cool Birthday Party Decorations Boy 122 PCs Two Cool Theme Party Supplies with Balloon Garland Banner Backdrop Cake & Cupcake Topper Boxes Poster for Boy Birthday
Hombae$29.925 rev
Two Coo Birthday Decorations for Boys Black Glitter Two Cool 2nd Birthday Hanging Swirls 2 Years Old Party Decorations Supplies
Plzaxou$9.732 rev
Greencian 96Pcs Two Cool Birthday Party Decorations Blue 2nd Birthday Plates and Napkins Palm Frond Sunglasses Disposable Paper Tableware Set for Boys 2 Year Old Party Supplies Serves 24
Greencian$26.1862 rev
Blithestars Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boy Second Bday Party Outfits Short Sleeve Top(Black 2T)
Blithestars$12.7641 rev
Zypynith 2 Year Old Boy Birthday Gift:Two Cool T-Shirt for Boys 2nd Birthday Outfit Clothes Decorations Black and White
Zypynith$10.7636 rev
Trending
90-day click momentum
SANIXJOO Two Cool Birthday T-Shirt Short Sleeve 2nd Birthday Boy Tshirt 2 Year Old Toddler Boys Second Bday Party Tops Outfit(Army Green 2T)
SANIXJOO$11.454.6★
Blithestars Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boy Second Bday Party Outfits Short Sleeve Top(Black 2T)
Blithestars$12.764.8★
Zypynith 2 Year Old Boy Birthday Gift:Two Cool T-Shirt for Boys 2nd Birthday Outfit Clothes Decorations
Zypynith$10.604.4★
Zypynith 2 Year Old Boy Birthday Gift:Two Cool T-Shirt for Boys 2nd Birthday Outfit Clothes Decorations Black and White
Zypynith$10.764.4★
GLIGLITTR Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boys Second Bday Party Short Sleeve Outfits Tops(Blue2 2T)
GLIGLITTR$15.254.7★
What buyers say about two cool birthday party decorations
What buyers praise and complain about, mined from review topics.What buyers love
“The sizing was accurate”
“Worth the buy”
“Honestly GREAT quality for a candle and it's adorable”
“Good material”
“Cute and convenient”
“Bright colors”
“Very soft”
“Adorable design”
“very durable for the price”
“it worked exactly as expected”
What buyers complain about
“Too small”
“Bad smell”
“Complete waste of money”
“material is cheap”
“icky sticky sweaty feeling”
“I would be uncomfortable in a shirt with this fabric”
Top return reasons
Common questions
- Is two cool birthday party decorations profitable to sell on Amazon United States?
- The niche generates $27K/yr across 22 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +12.0%. Flapen's verdict: Skip it (42/100).
- How competitive is the two cool birthday party decorations niche?
- 15 brands and 18 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 72% of demand.
- What do buyers complain about in two cool birthday party decorations?
- Top complaints mined from reviews: Size-Overall, Smell, Value For Money. The return rate is 2.8%.
- When does demand for two cool birthday party decorations peak?
- Demand peaks in Jun–Jul–Aug; the busiest month runs 3.0× the quietest.
- What does it cost to enter the two cool birthday party decorations niche?
- Listings span $5.86–$29.92; the average listing price is $14.22 (sweet spot $15–$100). The average incumbent carries 111 reviews — the moat a new listing must climb.