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29

straw cleaner brush for 40 oz stanley mug

Skip it

Prices mostly outside the sweet spot ($3.05–$8.95) — this niche doesn't clear our bar today.

Market size 5Growth 7Conversion 95Competition 10Returns 98Price range 0Avg price 14Brand share 21Review moat 45Quality gap 14

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Conversion

Incredible12.3%

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

Review moat

Okay1,957.56

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad92%

top-5 brand share — brand-locked demand

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

Avg price

Bad$5.13

avg listing price — sweet spot $15–$100

Competition

Bad88%

top-5 click share — a locked-up shelf

Growth

Bad-35.2%

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

Market size

Bad$21K

$21K/yr · 33K searches

Price range

Bad$3.05–$8.95

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

According to Flapen's Amazon United States niche tracking, straw cleaner brush for 40 oz stanley mug is a $21K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Aug. Verdict: Skip it — 29/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

straw cleaner brush for 40 oz stanley mug market data

Units sold / yr
6K–8K
avg 500–750/product
Revenue / yr
$31K–$41K
units × avg price
Conversion rate
12.3%
Avg BSR
#19
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
30 months
Avg seller age
172 days

Competition & brand share

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

10

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

4%

  • YOUCOX33%
  • CYHTSHFZ31%
  • KEUYE10%
  • AFUUFA9%
  • YOTIME8%
  • XANGNIER5%
  • Open — no brand owns it (1 brand, 4%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — -35.2% search growth over the last 90 days.
1K600Spike '25Prime Day '25Spike '26DecMarJunAugNovMarMay

Peak months: Aug · busiest ÷ quietest = 1.6×

Top straw cleaner brush for 40 oz stanley mug search terms

  • stanley straw cleaner brush30K/yr
  • straw cleaner brush for 40 oz stanley mug1K/yr
  • stanley cup straw cleaner brush2K/yr
All search terms

Top straw cleaner brush for 40 oz stanley mug 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%$2K20%$4K30%$6K40%$8K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

What buyers say about straw cleaner brush for 40 oz stanley mug

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

What buyers love

Ease Of Cleaning33%

“Cleans well”

Advertised Vs Actual Product15%

“As described”

Quality-Overall12%

“Good product for the 2 pack”

Efficiency7%

“Works Great”

Size-Overall7%

“Correct Size”

Value For Money6%

“Great value”

Ease Of Use4%

“Easy Use”

Strength4%

“firm - not flimsy at all”

Durability3%

“Pretty durable”

Brush Quality2%

“Best brush”

What buyers complain about

Size-Overall27%

“Too Short”

Ease Of Cleaning15%

“it was not clean”

Strength9%

“Too flimsy”

Thickness5%

“the fact that the handle is thin”

Value For Money4%

“def invest in this - for $3.49 its a steal”

Durability4%

“broke after a few uses”

Handle Quality3%

“However, the silver handle was pretty flimsy and bent easily”

Quality-Overall2%

“It's a cheap price, and cheaply made”

Ease Of Use2%

“Flimsy makes them difficult to use”

Measurement/Reading Accuracy1%

“Is it too hard for Amazon to give measurements”

Top return reasons

Size-Overall57%
Advertised Vs Actual Product10%
Value For Money8%
Thickness5%
Functionality-Overall4%
Ease Of Cleaning3%
Handle Quality3%
Color2%
Strength2%
Thin1%

Common questions

Is straw cleaner brush for 40 oz stanley mug profitable to sell on Amazon United States?
The niche generates $21K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -35.2%. Flapen's verdict: Skip it (29/100).
How competitive is the straw cleaner brush for 40 oz stanley mug niche?
7 brands and 10 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in straw cleaner brush for 40 oz stanley mug?
Top complaints mined from reviews: Size-Overall, Ease Of Cleaning, Strength. The return rate is 0.3%.
When does demand for straw cleaner brush for 40 oz stanley mug peak?
Demand peaks in Aug; the busiest month runs 1.6× the quietest.
What does it cost to enter the straw cleaner brush for 40 oz stanley mug niche?
Listings span $3.05–$8.95; the average listing price is $5.13 (sweet spot $15–$100). The average incumbent carries 1,958 reviews — the moat a new listing must climb.