Is thermoflask straw lid profitable to sell on Amazon United States?

The niche generates $58K/yr across 21 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +9.3%. Flapen's verdict: Skip it (46/100).

How competitive is the thermoflask straw lid niche?

12 brands and 18 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in thermoflask straw lid?

Top complaints mined from reviews: Leak-Proof, Size-Overall, Durability. The return rate is 3.0%.

When does demand for thermoflask straw lid peak?

Demand peaks in Aug–Sep; the busiest month runs 1.8× the quietest.

What does it cost to enter the thermoflask straw lid niche?

Listings span $5.69–$27.99; the average listing price is $10.11 (sweet spot $15–$100). The average incumbent carries 584 reviews — the moat a new listing must climb.

thermoflask straw lid

Skip it

A small market ($58K/yr) — this niche doesn't clear our bar today.

Conversion

Good6.7%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good584.05

avg incumbent reviews — the moat a new listing must climb

Price range

Good$5.69–$27.99

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

Returns

Good3.0%

return rate — above 5% kills the launch gate

Brand share

Okay77%

top-5 brand share — brands hold most of the demand

Competition

Okay62%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+9.3%

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

Avg price

Okay$10.11

avg listing price — sweet spot $15–$100

Market size

Bad$58K

$58K/yr · 85K searches

According to Flapen's Amazon United States niche tracking, thermoflask straw lid is a $58K/yr Amazon United States market (85K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 46/100.

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

thermoflask straw lid market data

Units sold / yr: 6K–8K; avg 100–250/product
Revenue / yr: $61K–$81K; units × avg price
Conversion rate: 6.7%
Avg BSR: #1,108
Page quality: 0%
Prime: 100%
Sponsored: 71%
Out of stock: 15.7%
Avg brand age: 39 months
Avg seller age: 138 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 rising

Sellers

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

62%

Top 20: 99%

Open market

17%

Prurex22%
Mollcity20%
Ajrwiiy14%
Nuyoach11%
Sipcupmate9%
Snowfall6%
Open — no brand owns it (6 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +9.3% search growth over the last 90 days.

Peak months: Aug, Sep · busiest ÷ quietest = 1.8×

Open Trend

Top thermoflask straw lid search terms

takeya lid replacement53K/yr +7.8%6.0% conv.
takeya lid13K/yr +10.6%2.7% conv.
takeya replacement lid5K/yr +35.8%3.2% conv.
takeya water bottle lid4K/yr +28.4%4.8% conv.
takeya water bottle lid replacement5K/yr -13.1%4.8% conv.
takeya replacement parts4K/yr -4.6%2.8% conv.

All search terms

Top thermoflask straw 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Mollcity Spout Lid Fit for HydroFlask & Takeya Wide Mouth Water Bottle 12 oz 16 oz 18 oz 20 oz 32 oz 40 oz-Top Replacement Chug Lid BPA Free

Mollcity$8.644.2★83 rev

2Pcs Replacement Lid for Takeya Insulated Water Bottle Wide Mouth Loop Top Lid for Takeya 14 18 24 32 40 64oz Replacement Cap with Handle Easy to Carry No Leak Top Spout Lid Accessories Black

Ajrwiiy$9.834.4★51 rev

Prurex Spout Lid Replacement for Thermoflask Takeya Simple Modern IRON FLASK - Wide Mouth 12/16/18/22/32/40/64oz Water Bottles | BPA-Free Leakproof Sport Cap with Handle (2.28 Diameter 1 pack)

Prurex$8.804.2★137 rev

Nuyoach 13 Pcs Water Bottle Lid Gasket Replacement for Takeya Actives 18oz 22oz 24oz 32oz 40oz Leak-Proof Rubber Seal Ring Gaskets O Ring Replacement Parts for Spout Lid (Not for Takeya Originals)

Nuyoach$8.824.3★147 rev

Sipcupmate Replacement Gaskets Compatible with Takeya Actives 18oz/22oz/24oz/32oz/40oz Water Bottle Lid 8 Pack Rubber Seal Replacement Parts BPA-Free(Not for Takeya Originals)

Sipcupmate$6.434.3★8 rev

Newest

by launch date

Sipcupmate Replacement Gaskets Compatible with Takeya Actives 18oz/22oz/24oz/32oz/40oz Water Bottle Lid 8 Pack Rubber Seal Replacement Parts BPA-Free(Not for Takeya Originals)

Sipcupmate$6.438 rev

5mo ago

Lid Replacement For Takeya 18 oz 22 oz 24 oz 32 oz 40 oz 64 oz Wide Mouth Water Bottle BPA-Free 100% Leakproof Cap

Snowfall$8.958 rev

9mo ago

UWSTE 2Pack Straw Lid Compatible with Takeya Insulated Water Bottle Leak Proof lid Fits Simple Modern Summit Water Bottle Handle Easy to Carry BPA Free.

UWSTE$11.983 rev

10mo ago

Prurex Spout Lid for Hydro Flask/Thermoflask/Takeya/Simple Modern/Iron Flask 2.28 Inch Wide Mouth 12/16/18/22/32/40/64oz Water Bottles Replacemetn Leakproof Sport Cap (Black+Green

Prurex$8.71137 rev

11mo ago

Prurex Spout Lid for Hydro Flask/Thermoflask/Takeya/Simple Modern/Iron Flask 2.28 Inch Wide Mouth 12/16/18/22/32/40/64oz Water Bottles Replacemetn Leakproof Sport Cap (Black+Pink

Prurex$8.63137 rev

11mo ago

What buyers say about thermoflask straw lid

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

What buyers love

Size-Overall44%

“Fits great”

Leak-Proof16%

“Doesnt leak”

Quality-Overall9%

“Surprisingly, these replacement 'O' rings were of better quality and had improvements”

Advertised Vs Actual Product5%

“As advertised”

Value For Money3%

“Great value”

Durability2%

“Durable”

Ease Of Use2%

“ease of opening the chug-top”

Maintenance And Repair2%

“So happy to replace the old one that was sticky and cracked”

Efficiency2%

“Works well as a replacement lid for my Simple Modern Summit”

Color2%

“Cute color,”

What buyers complain about

Leak-Proof28%

“They leak”

Size-Overall17%

“Didn't fit”

Durability14%

“They break easily”

Quality-Overall12%

“Poor quality”

Material Quality5%

“The caps are very poor quality plastic”

Value For Money4%

“Not worth the money unfortunately”

Advertised Vs Actual Product2%

“You are not being sent what is advertised in the photos”

Handle Quality1%

“The handle when it fell from a table. 4' from ground”

Ease Of Cleaning1%

“cleaning the gaskets fall out”

Design-Overall1%

“Design flaw”

Top return reasons

Size-Overall70%

Leak-Proof10%

Advertised Vs Actual Product6%

Functionality-Overall3%

Defective Material/Parts2%

Color1%

Thickness1%

Value For Money1%

Quality-Overall1%

Durability1%

Common questions

Is thermoflask straw lid profitable to sell on Amazon United States?: The niche generates $58K/yr across 21 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +9.3%. Flapen's verdict: Skip it (46/100).
How competitive is the thermoflask straw lid niche?: 12 brands and 18 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in thermoflask straw lid?: Top complaints mined from reviews: Leak-Proof, Size-Overall, Durability. The return rate is 3.0%.
When does demand for thermoflask straw lid peak?: Demand peaks in Aug–Sep; the busiest month runs 1.8× the quietest.
What does it cost to enter the thermoflask straw lid niche?: Listings span $5.69–$27.99; the average listing price is $10.11 (sweet spot $15–$100). The average incumbent carries 584 reviews — the moat a new listing must climb.