stanley leak proof lid
Skip itA deep review moat (9,151 avg reviews) — this niche doesn't clear our bar today.
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$14.35avg listing price — sweet spot $15–$100
Price range
Good$4.74–$36.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Market size
Okay$217K$217K/yr · 442K searches
Returns
Okay3.6%return rate — above 5% kills the launch gate
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Growth
Bad-0.3%90-day search growth — must beat 0% to launch
Review moat
Bad9,151.1avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, stanley leak proof lid is a $217K/yr Amazon United States market (442K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Jan–Oct–Dec. Verdict: Skip it — 43/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
stanley leak proof lid market data
- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- $144K–$179K
- units × avg price
- Conversion rate
- 3.4%
- Avg BSR
- #141
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 90%
- Out of stock
- 6.8%
- Avg brand age
- 21 months
- Avg seller age
- 121 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
22
Top-5 brand share
77%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
16%
- ANTAND22%
- Yirnno17%
- STANLEY15%
- Aooiiysd12%
- CeleVista11%
- HWHIEUAIK7%
- Open — no brand owns it (8 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 94 weeks — -0.3% search growth over the last 90 days.Peak months: Jan, Oct, Dec · busiest ÷ quietest = 2.5×
Top stanley leak proof lid search terms
- stanley flip straw lid154K/yr
- stanley lids 40 oz leakproof70K/yr
- stanley leak proof lid42K/yr
- stanley no spill lid20K/yr
- stanley spill proof lid34K/yr
- flip straw lid for stanley 40 oz tumbler20K/yr
- leak proof stanley lid14K/yr
- spill proof stanley lid12K/yr
- stanley cup leak proof lid11K/yr
- stanley no spill lid 40 oz19K/yr
Top stanley leak proof 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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Stanley Lid Replacement 40 oz Cream 2.0 no Spill Lid Leak Proof Spill Proof Cup Lid Stanley Quencher Cup Lid Accessories
Yirnno$10.524.3★670 rev
ANTAND 40oz Flip Straw Leak Proof Lid for Stanley Cup Accessories 2 Pack No Spill Lid Replacement 40 oz Tumbler Detachable Cover Topper for Stanley Protour Lids(Quartz Quartz)
ANTAND$15.944.3★591 rev
Aooiiysd 2 Pack Stanley Lid Replacement 40 oz with Leak Proof and Flip Straw Lid Stanley Cup Accessories for Stanley Quencher H2.0 40 oz Tumbler (Only) BPA Free (Milk White)
Aooiiysd$12.624.2★1,543 rev
STANLEY Quencher ProTour Flip Straw Tumbler with Leakproof Lid 30 oz | Built-in Straw and Handle | Cup Holder Compatible for Travel | insulated Stainless Steel Cup | BPA-Free | Rose Quartz
STANLEY$36.434.7★18,711 rev
CeleVista 2 Pack 40 oz Flip Straw Lid for STANLEY Quencher ProTour and H2.0 FlowState Tumbler(Only for STANLEY Tumbler) Leakproof Lid No Spill & Easy to Use Reusable Cover(Cream)
CeleVista$9.874.2★604 rev
Newest
by launch date
2-Pack Leak Proof Lid Replacement 40 oz Only Fit for Stanley Quencher H2.0 Tumbler Reusable Flip Straw Lid Top Cover for Stanley 40oz Cup Accessories Replacement of Leaking Original Lids Purple
Aqzfeuy$13.74179 rev
ANTAND 2 Pack Detachable Flip Straw Lid Replacement for Stanley 30 oz Cup Accessories Leakproof Lids for 30 ounce Stanley Quencher H2.0 & ProTour Tumbler (Cream Cream)
ANTAND$12.471,722 rev
Aooiiysd 2 Pack Stanley Lid Replacement 40 oz with Leak Proof and Flip Straw Lid Stanley Cup Accessories for Stanley Quencher H2.0 40 oz Tumbler (Only) BPA Free (Milk White)
Aooiiysd$12.621,543 rev
CeleVista 2 Pack 40 oz Flip Straw Lid for STANLEY Quencher ProTour and H2.0 FlowState Tumbler(Only for STANLEY Tumbler) Leakproof Lid No Spill & Easy to Use Reusable Cover(Cream)
CeleVista$9.87604 rev
CeleVista 2 Pack 40 oz Flip Straw Lid for STANLEY Quencher ProTour and H2.0 FlowState Tumbler(Only for STANLEY Tumbler) Leakproof Lid No Spill & Easy to Use Reusable Cover (Passion Pink)
CeleVista$9.90604 rev
Trending
90-day click momentum
Stanley Lid Replacement 40 oz Leakproof Flip Straw Lid for Stanley Cup Quencher H2.0/ProTour 40oz Tumbler - Spill Proof Reusable Stanley Accessory. (sky blue)
THOVY$9.284.6★
ANTAND 2 Pack Detachable Flip Straw Lid Replacement for Stanley 30 oz Cup Accessories Leakproof Lids for 30 ounce Stanley Quencher H2.0 & ProTour Tumbler (Cream Cream)
ANTAND$12.474.1★
ANTAND 40oz Flip Straw Leak Proof Lid for Stanley Cup Accessories 2 Pack No Spill Lid Replacement 40 oz Tumbler Detachable Cover Topper for Stanley Protour Lids(Quartz Quartz)
ANTAND$15.944.3★
STANLEY IceFlow 2.0 Flip Straw Tumbler with Handle 30 oz | Twist On Lid and Flip Up Straw | Leak Resistant Water Bottle | Insulated Stainless Steel | BPA-Free | Rose Quartz 2.0
STANLEY$33.864.7★
2-Pack Leak Proof Lid Replacement 40 oz Only Fit for Stanley Quencher H2.0 Tumbler Reusable Flip Straw Lid Top Cover for Stanley 40oz Cup Accessories Replacement of Leaking Original Lids Purple
Aqzfeuy$13.744.3★
What buyers say about stanley leak proof lid
What buyers praise and complain about, mined from review topics.What buyers love
“Fits snugly”
“Leak free”
“The quality is amazing, it's easy to hold and carry around and the best part is, my grandsons can knock it over and water won't spill all over the place”
“The color is pretty”
“As advertised”
“Good value”
“Sturdy”
“Works great”
“Very easy to wash and compatible”
“Easy to use”
What buyers complain about
“They leak”
“Does NOT fit”
“Breaks easily”
“Bad quality”
“Hard to clean”
“Hard to get on”
“I didnt get the color I ordered”
“Its a little pricey”
“Plastic must be cheap”
“they didnt work on my Stanley 40 oz water bottles”
Top return reasons
Common questions
- Is stanley leak proof lid profitable to sell on Amazon United States?
- The niche generates $217K/yr across 20 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -0.3%. Flapen's verdict: Skip it (43/100).
- How competitive is the stanley leak proof lid niche?
- 14 brands and 22 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 77% of demand.
- What do buyers complain about in stanley leak proof lid?
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Durability. The return rate is 3.6%.
- When does demand for stanley leak proof lid peak?
- Demand peaks in Jan–Oct–Dec; the busiest month runs 2.5× the quietest.
- What does it cost to enter the stanley leak proof lid niche?
- Listings span $4.74–$36.43; the average listing price is $14.35 (sweet spot $15–$100). The average incumbent carries 9,151 reviews — the moat a new listing must climb.