Skip to content
45

stanley cup accessories 30 oz

Skip it

Soft demand (-21.6% this quarter) — this niche doesn't clear our bar today.

Market size 19Growth 14Conversion 14Competition 85Returns 78Price range 70Avg price 42Brand share 85Review moat 22Quality gap 24

Competition

Great30%

top-5 click share — an open shelf

Brand share

Great50%

top-5 brand share — no brand owns this niche

Returns

Great1.8%

return rate — above 5% kills the launch gate

Price range

Good$4.05–$41.08

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

Avg price

Okay$11.07

avg listing price — sweet spot $15–$100

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad8,956.55

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$76K

$76K/yr · 621K searches

Growth

Bad-21.6%

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

Conversion

Bad1.1%

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

According to Flapen's Amazon United States niche tracking, stanley cup accessories 30 oz is a $76K/yr Amazon United States market (621K searches/yr). The top 5 brands hold 50% of demand. Demand peaks in Jan–Aug–Dec. Verdict: Skip it — 45/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

stanley cup accessories 30 oz market data

Units sold / yr
6K–8K
avg 0–100/product
Revenue / yr
$66K–$89K
units × avg price
Conversion rate
1.1%
Avg BSR
#260
Page quality
0%
Prime
100%
Sponsored
74%
Out of stock
7.7%
Avg brand age
21 months
Avg seller age
122 days

Competition & brand share

Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.

Brands

32 falling

Sellers

67

Top-5 brand share

50%

Top 20: 90%

Top-5 click share

30%

Top 20: 66%

Open market

46%

  • STANLEY23%
  • RNFVJH10%
  • 3tyto7%
  • Wongeto7%
  • Mity rain4%
  • linmaya4%

Demand & seasonality

Weekly Amazon search volume, last 69 weeks — -21.6% search growth over the last 90 days.
23K18KPrime Day '25Holiday '25AprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Aug, Dec · busiest ÷ quietest = 2.0×

Top stanley cup accessories 30 oz search terms

  • stanley cup accessories 40 oz130K/yr
  • stanley 40 oz accessories78K/yr
  • stanley cup accessories 30 oz94K/yr
  • stanley 30 oz accessories47K/yr
  • 40 oz tumbler accessories34K/yr
  • stanley cup 40 oz accessories31K/yr
  • cup accessories for tumbler25K/yr
  • accesorios para stanley 40 oz20K/yr
  • 40 oz stanley cup accessories26K/yr
  • stanley cup 30 oz accessories21K/yr
All search terms

Top stanley cup accessories 30 oz 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%$2K6%$5K9%$7K12%$9K101001K10K100K 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 stanley cup accessories 30 oz

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

What buyers love

Size-Overall24%

“Fit great”

Quality-Overall14%

“Amazing quality”

Color8%

“True to color”

Advertised Vs Actual Product8%

“As advertised”

Ease Of Use6%

“Very easy to handle”

Value For Money6%

“Great value”

Leak-Proof5%

“Completely leak proof”

Ease Of Cleaning4%

“The little cleaning brush is a nice bonus”

Durability4%

“holding up well”

Strength2%

“arent overly flimsy”

What buyers complain about

Size-Overall24%

“too short”

Quality-Overall10%

“Not as good as expected”

Durability7%

“Broke after one day”

Leak-Proof6%

“They leak”

Ease Of Use5%

“Difficult to get off”

Color4%

“The item was the wrong color”

Ease Of Cleaning3%

“I couldnt get the lid apart to clean the mold out”

Adhesion/Stickiness2%

“Good set, bad adhesive”

Value For Money2%

“This is way too expensive for this to even be a thing”

Material Quality2%

“Cheap material bad quality”

Top return reasons

Size-Overall59%
Color12%
Advertised Vs Actual Product5%
Value For Money4%
Material Quality3%
Quality-Overall2%
Scratch Resistance2%
Compatibility-Overall2%
Leak-Proof2%
Functionality-Overall1%

Common questions

Is stanley cup accessories 30 oz profitable to sell on Amazon United States?
The niche generates $76K/yr across 58 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -21.6%. Flapen's verdict: Skip it (45/100).
How competitive is the stanley cup accessories 30 oz niche?
32 brands and 67 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 50% of demand.
What do buyers complain about in stanley cup accessories 30 oz?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 1.8%.
When does demand for stanley cup accessories 30 oz peak?
Demand peaks in Jan–Aug–Dec; the busiest month runs 2.0× the quietest.
What does it cost to enter the stanley cup accessories 30 oz niche?
Listings span $4.05–$41.08; the average listing price is $11.07 (sweet spot $15–$100). The average incumbent carries 8,957 reviews — the moat a new listing must climb.