---
title: "Spongebob Inflatable Costume — $9K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/spongebob-inflatable-costume"
last_updated: "2026-08-10T01:54:25.238Z"
locale: en
meta:
description: "Niche score 34/100 · $9K/yr market · 96K searches/yr · $51.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $9K/yr market · 96K searches/yr · $51.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Spongebob Inflatable Costume — $9K/yr Amazon US Niche (2026) - Flapen"
---
# **spongebob inflatable costume**
**Skip it**
A small market ($9K/yr) — this niche doesn't clear our bar today.
Market size 2Growth 59Conversion 2Competition 22Returns 40Price range 83Avg price 93Brand share 13Review moat 91Quality gap 28
**Avg price**
**Great****$51.35**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****173.23**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$7.93–$108.25**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+33.9%**
90-day search growth — must beat 0% to launch
**Returns**
**Okay****3.8%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****73%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$9K**
$9K/yr · 96K searches
**Conversion**
**Bad****0.2%**
search→purchase rate — share of searches ending in a sale
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, spongebob inflatable costume is a $9K/yr Amazon United States market (96K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 34/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **spongebob inflatable costume market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$26K–$39K**
- units × avg price
- **Conversion rate**
- **0.2%**
- **Avg BSR**
- **#22,013**
- **Page quality**
- **0%**
- **Prime**
- **54%**
- **Sponsored**
- **31%**
- **Out of stock**
- **42.7%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**24**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**73%**
Top 20: 100%
**Open market**
**2%**
- Jazwares Costume Play47% - Spirit Halloween23% - Amscan12% - Popfunk8% - INTIMO4% - BIGPETS4% - Open — no brand owns it (1 brand, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 92 weeks — +33.9% search growth over the last 90 days.
20K15KSpike '24Spike '25Prime Day '25Spike '26 seasonNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 37.6×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/spongebob-inflatable-costume/trend)
## **Top spongebob inflatable costume search terms**
- **spongebob inflatable costume**38K/yr+29.7%0.1% conv. - **inflatable spongebob costume**18K/yr+82.1%0.2% conv. - **spongebob blow up costume**7K/yr-1.7%0.3% conv. - **spongebob costume inflatable**11K/yr+40.0%0.1% conv. - **blow up spongebob costume**5K/yr+32.5%0.0% conv. - **inflatable costume spongebob**7K/yr-23.4%0.0% conv. - **inflatable spongebob costume kids**6K/yr+135.3%0.0% conv. - **spongebob inflatable costume kids**4K/yr+82.8%0.0% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/spongebob-inflatable-costume/search-terms)
## **Top spongebob inflatable costume 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%$93420%$2K30%$3K40%$4K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Adult SpongeBob Deluxe Costume | Character Outfit with 3D Nose and Printed Details Halloween Large**Jazwares Costume Play**$108.25**5.0★3 rev](https://www.amazon.com/dp/B0FMBP1J3K) [2**Anagram International M6398901 SpongeBob Square Pants Shape Balloon Pack 28**Amscan**$7.93**4.7★1,236 rev](https://www.amazon.com/dp/B0000A9Y05) [3**Jazwares Costume Play Sponge Bob Square Pants Ghost Official Adult Inflatable Halloween Outfit - Inflatable Jumpsuit with Built-in Fan and Battery Box**Jazwares Costume Play**$63.50**4.0★16 rev](https://www.amazon.com/dp/B0DY95J3Q9) [4**Spirit Halloween Kids Patrick Star Inflatable Costume - SpongeBob SquarePants Boys Size BOYS S/M Standard Multicolor**Spirit Halloween**$50.31**5.0★1 rev](https://www.amazon.com/dp/B0GH13DK67) [5**Spirit Halloween Spongebob Squarepants Adult Inflatable Squidward Costume | Officially Licensed | Funny Halloween Costume - Os**Spirit Halloween**$66.94**4.4★112 rev](https://www.amazon.com/dp/B0D6GR86SQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Spirit Halloween Kids Patrick Star Inflatable Costume - SpongeBob SquarePants Boys Size BOYS S/M Standard Multicolor**Spirit Halloween**$50.31**1 rev10mo ago](https://www.amazon.com/dp/B0GH13DK67) [**Adult SpongeBob Deluxe Costume | Character Outfit with 3D Nose and Printed Details Halloween Large**Jazwares Costume Play**$108.25**3 rev11mo ago](https://www.amazon.com/dp/B0FMBP1J3K) [**Adult SpongeBob Deluxe Costume | Character Outfit with 3D Nose and Printed Details Halloween Small**Jazwares Costume Play**$101.02**3 rev11mo ago](https://www.amazon.com/dp/B0FMBF7445) [**Jazwares Costume Play Sponge Bob Square Pants Ghost Official Adult Inflatable Halloween Outfit - Inflatable Jumpsuit with Built-in Fan and Battery Box**Jazwares Costume Play**$63.50**16 rev11mo ago](https://www.amazon.com/dp/B0DY95J3Q9) [**Spirit Halloween SpongeBob SquarePants Kids Squidward Inflatable Costume Officially Licensed Battery-Operated Outfit Boys Size BOYS S/M Standard Multicolor**Spirit Halloween**$48.88**12 rev1y ago](https://www.amazon.com/dp/B0FHJ651DX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Adult SpongeBob Deluxe Costume | Character Outfit with 3D Nose and Printed Details Halloween Large**Jazwares Costume Play**$108.25**5.0★**▲ 189%**](https://www.amazon.com/dp/B0FMBP1J3K) [**Popfunk Classic Spongebob Plankton Sinister Face Unisex Adult Halloween Costume T Shirt Kelly Green X-Large**Popfunk**$14.22**4.5★**▲ 188%**](https://www.amazon.com/dp/B09PWFQTZC) [**SPONGEBOB SQUAREPANTS Big Boys Cosplay Hooded One Piece Coverall Patrick Star Pink 10-12**SPONGEBOB SQUAREPANTS**$37.81**4.3★**▲ 168%**](https://www.amazon.com/dp/B0B26NJHMX) [**Spirit Halloween Kids Patrick Star Inflatable Costume - SpongeBob SquarePants Boys Size BOYS S/M Standard Multicolor**Spirit Halloween**$50.31**5.0★**▲ 127%**](https://www.amazon.com/dp/B0GH13DK67) [**Nickelodeon Mens SpongeBob SquarePants Character Union Suit Costume Sleep Pajama (Small/Medium) Multicolored**INTIMO**$47.68**4.4★**▲ 79%**](https://www.amazon.com/dp/B09FVBXN1N)
**~~View all trending →~~**
## **What buyers say about spongebob inflatable costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**33%
*“Good size”*
**Advertised Vs Actual Product**19%
*“Looks exactly like the picture”*
**Warmth**13%
*“it is super cozy”*
**Quality-Overall**10%
*“Great quality”*
**Measurement/Reading Accuracy**6%
*“Very character accurate”*
**Color**6%
*“The colors were vibrant”*
**Comfort-Overall**4%
*“he was extremely comfortable”*
**Value For Money**4%
*“Not super expensive sincenyou can reuse”*
### **What buyers complain about **
**Smell**25%
*“had a weird odor”*
**Value For Money**25%
*“Too expensive to come dirty and/or used”*
**Instructions/User Manual/Troubleshooting**17%
*“Is a little confusing inflating with no instructions or straw”*
### **Top return reasons **
**Size-Overall**46%
**Length**7%
**Functionality-Overall**6%
**Value For Money**6%
**Product Condition**6%
**Advertised Vs Actual Product**5%
**Inflation/Deflation**4%
**Zipper Quality**4%
**Waist Fit**3%
**Material Quality**2%
## **Common questions**
- **Is spongebob inflatable costume profitable to sell on Amazon United States?**
- The niche generates $9K/yr across 13 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +33.9%. Flapen's verdict: Skip it (34/100).
- **How competitive is the spongebob inflatable costume niche?**
- 7 brands and 24 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in spongebob inflatable costume?**
- Top complaints mined from reviews: Smell, Value For Money, Instructions/User Manual/Troubleshooting. The return rate is 3.8%.
- **When does demand for spongebob inflatable costume peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 37.6× the quietest.
- **What does it cost to enter the spongebob inflatable costume niche?**
- Listings span $7.93–$108.25; the average listing price is $51.35 (sweet spot $15–$100). The average incumbent carries 173 reviews — the moat a new listing must climb.
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