Is iron flask straw replacement profitable to sell on Amazon United States?

The niche generates $147K/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.9%. Flapen's verdict: Skip it (39/100).

How competitive is the iron flask straw replacement niche?

6 brands and 9 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 98% of demand.

What do buyers complain about in iron flask straw replacement?

Top complaints mined from reviews: Size-Overall, Durability, Leak-Proof. The return rate is 2.8%.

What does it cost to enter the iron flask straw replacement niche?

Listings span $5.98–$15.10; the average listing price is $11.31 (sweet spot $15–$100). The average incumbent carries 1,229 reviews — the moat a new listing must climb.

Iron Flask Straw Replacement

Skip it

Prices mostly outside the sweet spot ($5.98–$15.10) — this niche doesn't clear our bar today.

Conversion

Incredible12.1%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Good1,228.55

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.8%

return rate — above 5% kills the launch gate

Avg price

Okay$11.31

avg listing price — sweet spot $15–$100

Growth

Okay+6.9%

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

Market size

Okay$147K

$147K/yr · 108K searches

Competition

Bad79%

top-5 click share — a locked-up shelf

Brand share

Bad98%

top-5 brand share — brand-locked demand

Price range

Bad$5.98–$15.10

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

Is iron flask straw replacement profitable on Amazon?

According to Flapen's Amazon United States niche tracking, iron flask straw replacement is a $147K/yr Amazon United States market (108K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 39/100.

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

iron flask straw replacement market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 10K–13K; avg 1,000–1,250/product
Revenue / yr: $113K–$141K; units × avg price
Conversion rate: 12.1%
Avg BSR: #719
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 43 months
Avg seller age: 145 days

Competition: brands, sellers & click share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 rising

Sellers

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

IRON °FLASK78%
Prurex8%
Snowfall5%
SAVITA4%
Bluwing2%
POYAKU2%
Open — no brand owns it (0%)

iron flask straw replacement demand & seasonality

Weekly Amazon search volume, last 38 weeks — +6.9% search growth over the last 90 days.

Open Trend

Top iron flask straw replacement search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

iron flask lids replacement53K/yr +1.7%10.7% conv.
iron flask lid13K/yr +7.6%8.5% conv.
ironflask replacement lids11K/yr +8.8%12.1% conv.
iron flask replacement lid10K/yr +16.7%7.3% conv.
iron flask straw replacement5K/yr +27.3%5.2% conv.
iron flask lids5K/yr +24.2%8.8% conv.
iron flask straw4K/yr +1.1%3.1% conv.
iron flask straw lid4K/yr -4.0%9.3% conv.
iron flask replacement straw2K/yr +41.3%6.0% conv.

All search terms

Top iron flask straw replacement products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Top sellers

by 90-day click share

IRON FLASK Carabiner Straw Lid for Wide Mouth Water Bottles 2 Pack

IRON °FLASK$14.994.7★5,859 rev

IRON FLASK Spout Lid for Wide Mouth Water Bottles 2 Pack

IRON °FLASK$15.084.6★1,199 rev

IRON FLASK Flex Straw Lid ofr Wide Mouth Water Bottles 2 Pack

IRON °FLASK$15.104.6★1,973 rev

Prurex Straw Lid for Thermoflask Takeya Simple Modern IRON FLASK Wide Mouth Bottles (12-64oz) Leakproof Replacement Lid Compatible Hydro Flask BPA-Free Straw Cap (2.28 Mouth)

Prurex$9.064.0★163 rev

IRON FLASK Flip Lid for Wide Mouth Water Bottles 2 Pack

IRON °FLASK$12.604.5★286 rev

Newest

by launch date

Replacement Lids for Iron Flask 18 oz 22 oz 32 oz 40 oz 64 oz Wide Mouth Water Bottle Spout Lid Fit IronFlask BPA-Free 100% Leakproof Cap 1 Pack

Snowfall$8.9310 rev

9mo ago

Bluwing Straw Lid for Hydro Flask Wide Mouth 12-64oz Replacement Lid With Straw for Hydroflask Iron Flask Thermoflask koodee Wide Mouth Bottles

Bluwing$8.83111 rev

2y ago

Prurex Straw Lid for Thermoflask Takeya Simple Modern IRON FLASK Wide Mouth Bottles (12-64oz) Leakproof Replacement Lid Compatible Hydro Flask BPA-Free Straw Cap (2.28 Mouth)

Prurex$9.06163 rev

2y ago

6pcs Replacement Straws for Iron Flask Thermo Flask Straws with 2 Cleaning Brushes Compatible with IRON FLASK Thermo flask Hydro Flask Wide Mouth Bottle Straw Lid

SAVITA$5.98175 rev

3y ago

Straw Lid for Hydro Flask Standard Mouth 18 oz 21 oz 24 oz Top Lids with Straw for Iron Flask Narrow Mouth 20 24 32 64 oz Sports Water Bottle Accessories Replacement Dust Cover Straw Cap

POYAKU$8.771,118 rev

4y ago

What reviews say buyers love and hate about iron flask straw replacement

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

What buyers love

Size-Overall38%

“Fit perfectly”

Advertised Vs Actual Product12%

“these work just as advertised”

Quality-Overall10%

“Good Quality”

Leak-Proof7%

“It doesn't leak”

Ease Of Use5%

“they are easy to use so I'm not stressed”

Value For Money4%

“I was glad they sold spares at a fair price”

Strength3%

“They're strong”

Ease Of Cleaning2%

“Easier to clean, I hope”

Compatibility-Overall2%

“Perfectly compatible with the Iron Flask 64 oz wide mouth bottle”

Efficiency1%

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

What buyers complain about

Size-Overall16%

“Did not fit”

Durability12%

“Broke quickly”

Leak-Proof11%

“isnt leakproof”

Quality-Overall10%

“These kids are not well made”

Ease Of Use9%

“just take a little getting use to”

Strength5%

“the plastic is brittle”

Ease Of Cleaning5%

“difficult to clean”

Color3%

“They only are available in black”

Value For Money3%

“I wish they were a little cheaper”

Smell2%

“The rubber ring smells strongly like cheap perfume as do your hands”

Top return reasons

Size-Overall82%

Advertised Vs Actual Product6%

Compatibility-Overall5%

Leak-Proof2%

Functionality-Overall1%

Value For Money1%

Defective Material/Parts0%

Product Condition0%

Strength0%

Ease Of Use0%

Common iron flask straw replacement questions

Is iron flask straw replacement profitable to sell on Amazon United States?: The niche generates $147K/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.9%. Flapen's verdict: Skip it (39/100).
How competitive is the iron flask straw replacement niche?: 6 brands and 9 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in iron flask straw replacement?: Top complaints mined from reviews: Size-Overall, Durability, Leak-Proof. The return rate is 2.8%.
What does it cost to enter the iron flask straw replacement niche?: Listings span $5.98–$15.10; the average listing price is $11.31 (sweet spot $15–$100). The average incumbent carries 1,229 reviews — the moat a new listing must climb.