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52

20 oz tumbler lid

Worth a look

Shows no brand lock-in (top 5 brands take 42% of clicks), but prices mostly outside the sweet spot ($5.14–$13.86) keeps it on the watch list.

Market size 49Growth 22Conversion 61Competition 76Returns 38Price range 0Avg price 24Brand share 93Review moat 39Quality gap 73

Brand share

Great42%

top-5 brand share — no brand owns this niche

Competition

Great39%

top-5 click share — an open shelf

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good5.3%

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

Market size

Okay$268K

$268K/yr · 596K searches

Review moat

Okay2,613

avg incumbent reviews — the moat a new listing must climb

Returns

Okay4.0%

return rate — above 5% kills the launch gate

Avg price

Bad$8.54

avg listing price — sweet spot $15–$100

Growth

Bad-5.2%

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

Price range

Bad$5.14–$13.86

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

According to Flapen's Amazon United States niche tracking, 20 oz tumbler lid is a $268K/yr Amazon United States market (596K searches/yr). The top 5 brands hold 42% of demand. Verdict: Worth a look — 52/100.

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

20 oz tumbler lid market data

Units sold / yr
30K–40K
avg 500–750/product
Revenue / yr
$256K–$342K
units × avg price
Conversion rate
5.3%
Avg BSR
#330
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
32 months
Avg seller age
148 days

Competition & brand share

Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.

Brands

30 falling

Sellers

39

Top-5 brand share

42%

Top 20: 90%

Top-5 click share

39%

Top 20: 82%

Open market

53%

  • SUNRAYNEST12%
  • CeleVista9%
  • CYHTSHFZ8%
  • XccMe7%
  • Primbeeks6%
  • ZUIHUI5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -5.2% search growth over the last 90 days.
13K8KPrime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top 20 oz tumbler lid search terms

  • tumbler lid replacement79K/yr
  • replacement lids for tumblers76K/yr
  • lids for tumblers55K/yr
  • tumbler lid62K/yr
  • 20 oz tumbler lid59K/yr
  • tumbler lids42K/yr
  • 20oz tumbler lid33K/yr
  • tumbler replacement lids23K/yr
  • tumbler lids 20 oz replacement lid21K/yr
  • 20 oz tumbler lids replacement17K/yr
All search terms

Top 20 oz tumbler lid 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%4%$11K8%$21K12%$32K16%$43K1001K10K100K 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 20 oz tumbler lid

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

What buyers love

Size-Overall50%

“Accurate Size”

Quality-Overall10%

“Excellent Product”

Value For Money7%

“Great deal”

Advertised Vs Actual Product6%

“Description accurate”

Leak-Proof5%

“Do not leak”

Ease Of Cleaning4%

“easy to remove for cleaning”

Efficiency2%

“The caps work very well”

Durability1%

“still look new”

Ease Of Use1%

“Definitely comes in handy”

Strength1%

“The plastic feels sturdy”

What buyers complain about

Durability27%

“Didnt last”

Size-Overall17%

“Didn't fit”

Quality-Overall10%

“Bad quality”

Leak-Proof9%

“They leak”

Ease Of Cleaning4%

“Cleaning is kind of a pain”

Value For Money2%

“Too expensive compared to others”

Dishwasher Safe1%

“Can not place in dishwasher”

Material Quality1%

“Cheap plastic material”

Strength1%

“Not sturdy”

Advertised Vs Actual Product1%

“Not as advertised”

Top return reasons

Size-Overall90%
Advertised Vs Actual Product4%
Compatibility-Overall2%
Leak-Proof2%
Functionality-Overall1%
Mechanism Issues0%
Durability0%
Value For Money0%
Quality-Overall0%
Material Quality0%

Common questions

Is 20 oz tumbler lid profitable to sell on Amazon United States?
The niche generates $268K/yr across 38 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -5.2%. Flapen's verdict: Worth a look (52/100).
How competitive is the 20 oz tumbler lid niche?
30 brands and 39 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 42% of demand.
What do buyers complain about in 20 oz tumbler lid?
Top complaints mined from reviews: Durability, Size-Overall, Quality-Overall. The return rate is 4.0%.
When does demand for 20 oz tumbler lid peak?
Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the 20 oz tumbler lid niche?
Listings span $5.14–$13.86; the average listing price is $8.54 (sweet spot $15–$100). The average incumbent carries 2,613 reviews — the moat a new listing must climb.