Skip to content
34

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

Great173.23

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

Okay3.8%

return rate — above 5% kills the launch gate

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad73%

top-5 click share — a locked-up shelf

Brand share

Bad95%

top-5 brand share — brand-locked demand

Market size

Bad$9K

$9K/yr · 96K searches

Conversion

Bad0.2%

search→purchase rate — share of searches ending in a sale

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

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 '26NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 37.6×

Top spongebob inflatable costume search terms

  • spongebob inflatable costume38K/yr
  • inflatable spongebob costume18K/yr
  • spongebob blow up costume7K/yr
  • spongebob costume inflatable11K/yr
  • blow up spongebob costume5K/yr
  • inflatable costume spongebob7K/yr
  • inflatable spongebob costume kids6K/yr
  • spongebob inflatable costume kids4K/yr
All 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 moat Market 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.

What buyers say about spongebob inflatable costume

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall33%

“Good size”

Advertised Vs Actual Product19%

“Looks exactly like the picture”

Warmth13%

“it is super cozy”

Quality-Overall10%

“Great quality”

Measurement/Reading Accuracy6%

“Very character accurate”

Color6%

“The colors were vibrant”

Comfort-Overall4%

“he was extremely comfortable”

Value For Money4%

“Not super expensive sincenyou can reuse”

What buyers complain about

Smell25%

“had a weird odor”

Value For Money25%

“Too expensive to come dirty and/or used”

Instructions/User Manual/Troubleshooting17%

“Is a little confusing inflating with no instructions or straw”

Top return reasons

Size-Overall46%
Length7%
Functionality-Overall6%
Value For Money6%
Product Condition6%
Advertised Vs Actual Product5%
Inflation/Deflation4%
Zipper Quality4%
Waist Fit3%
Material Quality2%

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.