Large Sponge
Worth a lookShows searches that convert (13.5% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Conversion
Incredible13.5%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Growth
Great+66.8%90-day search growth — must beat 0% to launch
Review moat
Good1,049.47avg incumbent reviews — the moat a new listing must climb
Market size
Good$323K$323K/yr · 278K searches
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Avg price
Bad$8.64avg listing price — sweet spot $15–$100
Price range
Bad$3.97–$17.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Is large sponge profitable on Amazon?
According to Flapen's Amazon United States niche tracking, large sponge is a $323K/yr Amazon United States market (278K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in May–Jun. Verdict: Worth a look — 59/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
large sponge market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 30K–40K
- avg 1,000–1,250/product
- Revenue / yr
- $259K–$346K
- units × avg price
- Conversion rate
- 13.5%
- Avg BSR
- #161
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 94%
- Out of stock
- 2.1%
- Avg brand age
- 52 months
- Avg seller age
- 160 days
Competition: brands, sellers & click share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
57
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
17%
- Temede31%
- Amazon Basics20%
- QEP11%
- BAISENJIE8%
- Lantee7%
- RAINFLOW7%
- Open — no brand owns it (7 brands, 17%)
large sponge demand & seasonality
Weekly Amazon search volume, last 104 weeks — +66.8% search growth over the last 90 days.Peak months: May, Jun · busiest ÷ quietest = 1.9×
Top large sponge search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- large sponge71K/yr
- large sponges37K/yr
- big sponge32K/yr
- large sponges for cleaning31K/yr
- big sponges16K/yr
- sponges large9K/yr
- large sponges for washing cars9K/yr
- giant sponge10K/yr
- boat sponge6K/yr
- extra large sponge8K/yr
Top large sponge products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Amazon Basics Jumbo Sponges for Car Cleaning Bodywork & Windows Large Yellow Pack of 3
Amazon Basics$7.624.5★285 rev
Temede Large Car Wash Sponges Extra Thick Foam Sponges 5-Pack
Temede$9.824.6★2,685 rev
QEP 70005Q-6D 7.5 Inch x 5.5 Inch x 1.875 Inch Grouting Cleaning and Washing Sponge X-Large 6-Pack 6 Pack Yellow 6 Count
QEP$8.944.6★3,489 rev
Temede Car Wash Sponge Car Cleaning Large Sponges All Purpose Sponges for Cleaning Easy Grip Thick Foam Scrubber Giant Bone Sponge for Kitchen Bathroom Household Clean
Temede$3.974.6★833 rev
Lantee Large Sponges - Car Cleaning Supplies - Big 10 Pcs High Foam Cleaning Washing Sponge Pad for Car Household Cleaning and Water Games
Lantee$17.814.4★396 rev
Newest
by launch dateAmazon Basics Jumbo Sponges for Car Cleaning Bodywork & Windows Large Yellow Pack of 3
Amazon Basics$7.62285 rev
RAINFLOW 4PCS Large Car Wash Sponge Sponges for Cleaning Extra Thick High-Density Pottery Sponges Scratch-Free Super Absorbent Reusable for Auto Detailing Waxing and Cleaning
RAINFLOW$7.1673 rev
6-Pack Car Wash Sponges Large Sponges Colorful Extra Thick Foam for All-Purpose Cleaning Ideal Washing Sponges for Car Bathroom Kitchen & Household
JUWANTU$7.1445 rev
Car Wash Sponges 3 Pack Extra Thick Large Cleaning Sponge Multi-Purpose for Bathroom Kitchen Bike Boat Large Size Sponges 4 X 6 (Pink)
Spunspon$9.63127 rev
1 PCS Large Natural Cellulose Sponges 6x4x2 Inch - Super Absorbent and Biodegradable Perfect for Home & Kitchen Cleaning Boat Bail Car Washing
Mt.Jun$7.82174 rev
Trending
90-day click momentum
Car Wash Sponges 5 Pack Extra Thick Large Colorful Cleaning Sponge Multi-Purpose for Bathroom Kitchen Bike Boat (Random 5-Color Mix)
BAISENJIE$9.174.4★
5 Pack Large Car Wash Sponges Non-Scratch Sponges for Auto Truck RV Boat Cleaning Thick Foam for Kitchen Bathroom Household (Large)
smrtcol$9.974.7★
Amazon Basics Jumbo Sponges for Car Cleaning Bodywork & Windows Large Yellow Pack of 3
Amazon Basics$7.624.5★
Lantee Large Sponges - Car Cleaning Supplies - Big 10 Pcs High Foam Cleaning Washing Sponge Pad for Car Household Cleaning and Water Games
Lantee$17.814.4★
6-Pack Car Wash Sponges Large Sponges Colorful Extra Thick Foam for All-Purpose Cleaning Ideal Washing Sponges for Car Bathroom Kitchen & Household
JUWANTU$7.144.1★
What reviews say buyers love and hate about large sponge
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Nice and big”
“much cheaper”
“It works as expected”
“doesnt break apart even with rough use”
“cleaned well”
“The sponges are very absorbent”
“Easy to use”
“effective”
“These are so dense”
What buyers complain about
“It's also an irritating size”
“Not as advertised”
“not as thick as I'd like”
“Not very absorbent”
“They arrive flat”
“Total garbage sponge”
“Price point dead on”
“Fell apart after one use”
“doesn't seem to scrub as well as my smaller ones”
“Small pieces kept falling off the areas that didnt expand”
Top return reasons
Common large sponge questions
- Is large sponge profitable to sell on Amazon United States?
- The niche generates $323K/yr across 17 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +66.8%. Flapen's verdict: Worth a look (59/100).
- How competitive is the large sponge niche?
- 13 brands and 57 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in large sponge?
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Thickness. The return rate is 0.8%.
- When does demand for large sponge peak?
- Demand peaks in May–Jun; the busiest month runs 1.9× the quietest.
- What does it cost to enter the large sponge niche?
- Listings span $3.97–$17.81; the average listing price is $8.64 (sweet spot $15–$100). The average incumbent carries 1,049 reviews — the moat a new listing must climb.