---
title: "Two Cool Birthday Party Decorations — $27K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/two-cool-birthday-party-decorations"
last_updated: "2026-08-09T19:35:40.741Z"
locale: en
meta:
description: "Niche score 42/100 · $27K/yr market · 86K searches/yr · $14.22 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $27K/yr market · 86K searches/yr · $14.22 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Two Cool Birthday Party Decorations — $27K/yr Amazon US Niche (2026) - Flapen"
---
# **two cool birthday party decorations**
**Skip it**
A small market ($27K/yr) — this niche doesn't clear our bar today.
Market size 7Growth 40Conversion 27Competition 49Returns 55Price range 62Avg price 69Brand share 55Review moat 94Quality gap 25
**Review moat**
**Great****110.55**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$14.22**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$5.86–$29.92**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****55%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+12.0%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****2.2%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.6★**
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 ~~](https://flapen.com/research/methodology)
## **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.
4K3KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul, Aug · busiest ÷ quietest = 3.0×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/two-cool-birthday-party-decorations/trend)
## **Top two cool birthday party decorations search terms**
- **two cool birthday party decorations boy**50K/yr+31.0%1.5% conv. - **two cool**9K/yr+36.2%0.7% conv. - **2 cool birthday decorations for boys**8K/yr+12.7%1.4% conv. - **two cool birthday**7K/yr+1.5%0.6% conv. - **two cool birthday decorations**11K/yr-56.6%1.5% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/two-cool-birthday-party-decorations/search-terms)
## **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.
0%10%$3K20%$5K30%$8K40%$11K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**GLIGLITTR Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boys Second Bday Party Short Sleeve Outfits Tops(Black2 2T)**GLIGLITTR**$14.12**4.7★357 rev](https://www.amazon.com/dp/B0DSBNFCJV) [2**Zypynith 2 Year Old Boy Birthday Gift:Two Cool T-Shirt for Boys 2nd Birthday Outfit Clothes Decorations Black and White**Zypynith**$10.76**4.4★36 rev](https://www.amazon.com/dp/B0FD9XG1CP) [3**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**$29.92**5.0★5 rev](https://www.amazon.com/dp/B0GCCQWM9N) [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**$15.25**4.7★357 rev](https://www.amazon.com/dp/B0DSBLYHTH) [5**Two Cool Birthday Party Decorations & Supplies - I AM TWO Banner Balloons Cake Topper for Little Mans 2nd Birthday**PATYFEIR**$13.03**4.6★300 rev](https://www.amazon.com/dp/B097DT4X4S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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**$29.92**5 rev6mo ago](https://www.amazon.com/dp/B0GCCQWM9N) [**Two Coo Birthday Decorations for Boys Black Glitter Two Cool 2nd Birthday Hanging Swirls 2 Years Old Party Decorations Supplies**Plzaxou**$9.73**2 rev6mo ago](https://www.amazon.com/dp/B0GCD2CXNY) [**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**$26.18**62 rev6mo ago](https://www.amazon.com/dp/B0G7BCPRLS) [**Blithestars Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boy Second Bday Party Outfits Short Sleeve Top(Black 2T)**Blithestars**$12.76**41 rev10mo ago](https://www.amazon.com/dp/B0FMD3F9W4) [**Zypynith 2 Year Old Boy Birthday Gift:Two Cool T-Shirt for Boys 2nd Birthday Outfit Clothes Decorations Black and White**Zypynith**$10.76**36 rev1y ago](https://www.amazon.com/dp/B0FD9XG1CP)
**~~View all new products →~~**
### **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**$11.45**4.6★**▲ 104%**](https://www.amazon.com/dp/B0FBRN5Q7K) [**Blithestars Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boy Second Bday Party Outfits Short Sleeve Top(Black 2T)**Blithestars**$12.76**4.8★**▲ 104%**](https://www.amazon.com/dp/B0FMD3F9W4) [**Zypynith 2 Year Old Boy Birthday Gift:Two Cool T-Shirt for Boys 2nd Birthday Outfit Clothes Decorations**Zypynith**$10.60**4.4★**▲ 104%**](https://www.amazon.com/dp/B0FD9WBWG4) [**Zypynith 2 Year Old Boy Birthday Gift:Two Cool T-Shirt for Boys 2nd Birthday Outfit Clothes Decorations Black and White**Zypynith**$10.76**4.4★**▲ 96%**](https://www.amazon.com/dp/B0FD9XG1CP) [**GLIGLITTR Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boys Second Bday Party Short Sleeve Outfits Tops(Blue2 2T)**GLIGLITTR**$15.25**4.7★**▲ 75%**](https://www.amazon.com/dp/B0DSBLYHTH)
**~~View all trending →~~**
## **What buyers say about two cool birthday party decorations**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**21%
*“The sizing was accurate”*
**Value For Money**16%
*“Worth the buy”*
**Quality-Overall**14%
*“Honestly GREAT quality for a candle and it's adorable”*
**Material Quality**5%
*“Good material”*
**Ease Of Use**5%
*“Cute and convenient”*
**Color**5%
*“Bright colors”*
**Soft Feel**5%
*“Very soft”*
**Design-Overall**4%
*“Adorable design”*
**Durability**3%
*“very durable for the price”*
**Advertised Vs Actual Product**3%
*“it worked exactly as expected”*
### **What buyers complain about **
**Size-Overall**25%
*“Too small”*
**Smell**25%
*“Bad smell”*
**Value For Money**8%
*“Complete waste of money”*
**Material Quality**8%
*“material is cheap”*
**Sweat Resistance**6%
*“icky sticky sweaty feeling”*
**Comfort-Overall**6%
*“I would be uncomfortable in a shirt with this fabric”*
### **Top return reasons **
**Size-Overall**65%
**Material Quality**6%
**Length**6%
**Value For Money**5%
**Chest Fit**4%
**Color**3%
**Advertised Vs Actual Product**2%
**Sleeve Fit**1%
**Neck Fit**1%
**Quality-Overall**1%
## **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.
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