Is straw cover profitable to sell on Amazon United States?

The niche generates $1.8M/yr across 30 tracked products. 5 of 8 products launched in the last 360 days are still selling. 90-day search growth is -7.1%. Flapen's verdict: Worth a look (54/100).

How competitive is the straw cover niche?

24 brands and 32 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 53% of demand.

What do buyers complain about in straw cover?

Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 1.1%.

When does demand for straw cover peak?

Demand peaks in Aug–Sep–Dec; the busiest month runs 2.4× the quietest.

What does it cost to enter the straw cover niche?

Listings span $4.03–$9.98; the average listing price is $6.48 (sweet spot $15–$100). The average incumbent carries 1,326 reviews — the moat a new listing must climb.

straw cover

Worth a look

Shows low returns (1.1%), but prices mostly outside the sweet spot ($4.03–$9.98) keeps it on the watch list.

Returns

Great1.1%

return rate — above 5% kills the launch gate

Market size

Great$1.8M

$1.8M/yr · 6.8M searches

Brand share

Great53%

top-5 brand share — no brand owns this niche

Competition

Good48%

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

Review moat

Good1,325.83

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.1%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-7.1%

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

Avg price

Bad$6.48

avg listing price — sweet spot $15–$100

Price range

Bad$4.03–$9.98

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

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, straw cover is a $1.8M/yr Amazon United States market (6.8M searches/yr). The top 5 brands hold 53% of demand. Demand peaks in Aug–Sep–Dec. Verdict: Worth a look — 54/100.

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

straw cover market data

Units sold / yr: 200K–250K; avg 3,000–4,000/product
Revenue / yr: $1.3M–$1.6M; units × avg price
Conversion rate: 4.1%
Avg BSR: #150
Page quality: 0%
Prime: 100%
Sponsored: 87%
Out of stock: 11.0%
Avg brand age: 29 months
Avg seller age: 142 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

24 falling

Sellers

Top-5 brand share

53%

Top 20: 96%

Top-5 click share

48%

Top 20: 89%

Open market

40%

BTYHAOS19%
GGDECA10%
DEWJDFSC8%
LDKEKDF8%
SEMATA8%
STANLEY7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.1% search growth over the last 90 days.

Peak months: Aug, Sep, Dec · busiest ÷ quietest = 2.4×

Open Trend

Top straw cover search terms

straw toppers1.9M/yr -35.6%1.6% conv.
stanley straw cover1.1M/yr -5.1%3.6% conv.
straw covers730K/yr +17.6%2.7% conv.
stanley cup straw cover474K/yr -4.3%3.0% conv.
straw cover336K/yr +28.4%2.7% conv.
stanley straw topper507K/yr -20.4%2.5% conv.
straw toppers for stanley cups302K/yr +10.3%2.1% conv.
straw covers cap for tumblers220K/yr +18.6%2.8% conv.
straw topper243K/yr +4.1%1.5% conv.
straw caps104K/yr +24.7%2.9% conv.

All search terms

Top straw cover 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

BTYHAOS Silicone Straw Caps for 10mm Tumblers | Reusable Dust-Proof Straw Toppers Compatible with Stanley 30oz & 40oz Tumblers (Purple Flower 3pc)

BTYHAOS$4.054.8★2,311 rev

GGDECA 7Pcs Straw Cover Cap for Stanley Cup Simple 10mm(0.4inch) Silicone Straw Toppers for Stanley 40&30oz Tumbler Accessories-Multicolor

GGDECA$4.064.7★438 rev

DEWJDFSC 6PCS Silicone Straw Covers Caps Compatible with Stanley 30&40 Oz Tumbler Accessories Simple Straw Toppers Reusable Caps for Stanley Cup 10mm 0.4in Straws (Colorful 1)

DEWJDFSC$4.064.7★260 rev

LDKEDKF 11Pcs Straw Cover for Stanley Cup Silicone Straw Topper for Stanley Cup 30&40oz with Tumblers 10mm 0.4in Lid Accessories (Reusable)

LDKEKDF$6.414.7★3,472 rev

STANLEY Quencher Boot and Straw Cover Cap | Anti-Slip Silicone Protector for 20 & 30 oz Tumbler with Handle | Accessory Set for Stainless Steel Drinking Cup | BPA-Free | Sand

STANLEY$8.414.8★4,301 rev

Newest

by launch date

YOTIME 6Pcs Silicone Straw Covers Cap 0.39in/10mm Straw Toppers Compatible with Stanley Cup 40 & 30 oz Reusable Dust-Proof Cover Cap for Tumbler with Handle Multicolor

YOTIME$6.14226 rev

9mo ago

14Pcs Tumbler Straw Covers with Storage Case 10mm 0.4 in Cute Animals Reusable Straw Toppers for 30&40 oz Stanley Cup Accessories Food Silicone Straws Cover(14 Pcs)

Cutest-LittleBell$7.18107 rev

9mo ago

DEWJDFSC 6PCS Silicone Straw Covers Caps Compatible with Stanley 30&40 Oz Tumbler Accessories Simple Straw Toppers Reusable Caps for Stanley Cup 10mm 0.4in Straws (Colorful 1)

DEWJDFSC$4.06260 rev

10mo ago

GGDECA 15Pcs Straw Toppers for Stanley Cup Silicone 10mm Straw Cover Cap for Stanley 30 40oz Tumblers Reusable Lid Accessories

GGDECA$6.5969 rev

10mo ago

BTYHAOS Silicone Straw Caps for 10mm Tumblers | Reusable Dust-Proof Straw Toppers Compatible with Stanley 30oz & 40oz Tumbler (mix)

BTYHAOS$6.022,311 rev

11mo ago

What buyers say about straw cover

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

What buyers love

Size-Overall24%

“Fits as described”

Quality-Overall15%

“Very good covers, colorful and the quality is excellent”

Color10%

“Cute colors”

Advertised Vs Actual Product8%

“As described”

Value For Money7%

“Great value”

Durability5%

“They didnt break”

Ease Of Cleaning5%

“Easy to clean”

Ease Of Use3%

“Very handy to keep”

Design-Overall3%

“Very cute set with a wide variety of designs”

Efficiency3%

“Works Great”

What buyers complain about

Size-Overall50%

“Didn't fit”

Durability9%

“Broke after a few weeks”

Quality-Overall6%

“Quality is poor”

Color5%

“it already changed colors”

Leak-Proof3%

“Already saw leakage through straw when covered”

Ease Of Cleaning2%

“Arrived dirty”

Material Quality1%

“Cheap material bad quality”

Ease Of Use1%

“a bit difficult to use”

Thin1%

“Thin and flimsy”

Advertised Vs Actual Product1%

“That they looked like the advertisement is important to me. These are not as cute as they look online”

Top return reasons

Size-Overall74%

Color9%

Advertised Vs Actual Product4%

Value For Money3%

Quality-Overall2%

Compatibility-Overall2%