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spongebob backpack

Worth a look

Shows demand growing +121.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 25Growth 95Conversion 6Competition 79Returns 40Price range 94Avg price 95Brand share 51Review moat 51Quality gap 45

Growth

Incredible+121.6%

90-day search growth — must beat 0% to launch

Avg price

Incredible$33.44

avg listing price — sweet spot $15–$100

Price range

Great$14.31–$65.00

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Great36%

top-5 click share — an open shelf

Brand share

Good75%

top-5 brand share — brands hold most of the demand

Review moat

Good1,453.74

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay3.8%

return rate — above 5% kills the launch gate

Market size

Okay$101K

$101K/yr · 595K searches

Conversion

Bad0.5%

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

Signals Trending

According to Flapen's Amazon United States niche tracking, spongebob backpack is a $101K/yr Amazon United States market (595K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Jul–Aug. Verdict: Worth a look — 56/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

spongebob backpack market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
$201K–$268K
units × avg price
Conversion rate
0.5%
Avg BSR
#1,500
Page quality
0%
Prime
100%
Sponsored
87%
Out of stock
14.1%
Avg brand age
33 months
Avg seller age
145 days

Competition & brand share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

11 falling

Sellers

47

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

36%

Top 20: 85%

Open market

17%

  • AI ACCESSORY INNOVATIONS22%
  • Fast Forward19%
  • Bioworld15%
  • INTIMO9%
  • Simple Modern9%
  • SPONGEBOB SQUAREPANTS8%
  • Open — no brand owns it (5 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +121.6% search growth over the last 90 days.
70K50KSpike '24Holiday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 17.4×

Top spongebob backpack search terms

  • spongebob backpack436K/yr
  • spongebob bookbag26K/yr
  • sponge bob backpacks24K/yr
  • spongebob backpacks15K/yr
  • spongebob backpack with lunch box10K/yr
  • spongebob backpack for adults10K/yr
  • spongebob backpack for kids7K/yr
  • sponge bob backpack10K/yr
  • backpack spongebob8K/yr
  • spongebob mini backpack7K/yr
All search terms

Top spongebob backpack 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%3%$3K6%$6K9%$9K12%$12K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about spongebob backpack

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

What buyers love

Value For Money19%

“cheap price”

Quality-Overall19%

“seems well made”

Durability10%

“The material feels durable”

Size-Overall9%

“Good Size”

Storage Capacity7%

“It's spacious as well”

Advertised Vs Actual Product6%

“Exactly what I needed”

Strength4%

“It was nice and sturdy”

Material Quality3%

“Good material”

Design-Overall3%

“It's well designed”

Weight Light3%

“Lightweight”

What buyers complain about

Durability17%

“I wish it more durable”

Quality-Overall15%

“Extremely poor-quality bag”

Size-Overall14%

“Too small”

Strap/String Quality9%

“Strap broke after 2 months”

Value For Money7%

“even my kindergartner is pretty unhappy with this value”

Design-Overall3%

“Poor design”

Advertised Vs Actual Product2%

“Why this showed up like this I do not know”

Zipper Quality2%

“Unfortunately, both zippers have broken in the year and couple months Ive owned it”

Color2%

“it's black on black lettering. not noticeable”

Gap/Hole2%

“both had a hole in the bottom within the first couple wks”

Top return reasons

Size-Overall66%
Weight Heavy5%
Material Quality3%
Advertised Vs Actual Product3%
Quality-Overall3%
Value For Money2%
Comfort-Overall2%
Strap/String Quality1%
Zipper Quality1%
Functionality-Overall1%

Common questions

Is spongebob backpack profitable to sell on Amazon United States?
The niche generates $101K/yr across 39 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is +121.6%. Flapen's verdict: Worth a look (56/100).
How competitive is the spongebob backpack niche?
11 brands and 47 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in spongebob backpack?
Top complaints mined from reviews: Durability, Quality-Overall, Size-Overall. The return rate is 3.8%.
When does demand for spongebob backpack peak?
Demand peaks in Jul–Aug; the busiest month runs 17.4× the quietest.
What does it cost to enter the spongebob backpack niche?
Listings span $14.31–$65.00; the average listing price is $33.44 (sweet spot $15–$100). The average incumbent carries 1,454 reviews — the moat a new listing must climb.