Is diatomite coaster profitable to sell on Amazon United States?

The niche generates $51K/yr across 43 tracked products. 3 of 14 products launched in the last 360 days are still selling. 90-day search growth is +30.5%. Flapen's verdict: Worth a look (56/100).

How competitive is the diatomite coaster niche?

23 brands and 29 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 53% of demand.

What do buyers complain about in diatomite coaster?

Top complaints mined from reviews: Stain Resistance, Size-Overall, Ease Of Cleaning. The return rate is 3.3%.

When does demand for diatomite coaster peak?

Demand peaks in Jul; the busiest month runs 2.0× the quietest.

What does it cost to enter the diatomite coaster niche?

Listings span $5.25–$37.74; the average listing price is $13.01 (sweet spot $15–$100). The average incumbent carries 884 reviews — the moat a new listing must climb.

diatomite coaster

Worth a look

Shows no brand lock-in (top 5 brands take 53% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Brand share

Great53%

top-5 brand share — no brand owns this niche

Competition

Great36%

top-5 click share — an open shelf

Price range

Good$5.25–$37.74

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

Review moat

Good884

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$13.01

avg listing price — sweet spot $15–$100

Growth

Good+30.5%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Good4.6%

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

Returns

Okay3.3%

return rate — above 5% kills the launch gate

Market size

Bad$51K

$51K/yr · 84K searches

According to Flapen's Amazon United States niche tracking, diatomite coaster is a $51K/yr Amazon United States market (84K searches/yr). The top 5 brands hold 53% of demand. Demand peaks in Jul. Verdict: Worth a look — 56/100.

Data updated Aug 6, 2026 · scored weekly · How we score niches

diatomite coaster market data

Units sold / yr: 3K–3K; avg 0–100/product
Revenue / yr: $33K–$39K; units × avg price
Conversion rate: 4.6%
Avg BSR: #1,483
Page quality: 0%
Prime: 100%
Sponsored: 81%
Out of stock: 6.7%
Avg brand age: 26 months
Avg seller age: 168 days

Competition & brand share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

23 rising

Sellers

Top-5 brand share

53%

Top 20: 98%

Top-5 click share

36%

Top 20: 79%

Open market

41%

NiuYichee21%
NUOBISHI12%
Nisamey7%
ZEONHAK6%
Azhou6%
Photect5%

Demand & seasonality

Weekly Amazon search volume, last 74 weeks — +30.5% search growth over the last 90 days.

Peak months: Jul · busiest ÷ quietest = 2.0×

Open Trend

Top diatomite coaster search terms

diatomaceous earth coasters25K/yr +56.4%3.2% conv.
diatomite coaster17K/yr +26.9%2.3% conv.
diatomaceous earth coaster9K/yr +49.4%3.2% conv.
diatomite coasters8K/yr +23.2%2.0% conv.
diatomaceous coaster8K/yr -1.0%2.8% conv.
water absorbent diatomite coasters4K/yr +10.6%2.0% conv.
bathroom coaster3K/yr +37.9%2.5% conv.
niuyichee 2 pcs water absorbent diatomite3K/yr -44.5%2.9% conv.
niuyichee2K/yr -16.0%3.0% conv.
niu yichee water absorbing stone tray for sink1K/yr -96.3%0.0% conv.

All search terms

Top diatomite coaster 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

Diatomaceous Earth Coasters Set of 4Cool Absorbent Quick-Dry Drink Coasters for Desks Cute Modern Stone Design with Stylish White Aesthetic (4 White)

NUOBISHI$7.814.4★707 rev

Diatomaceous Earth Coaster Set of 4 Unique Absorbent Stone Coaster Irregular Shape Round Coasters Modern Diatomaceous Earth Design Instant Dry Stone for Drinks Table Desk at Work(White)

Nisamey$5.254.3★55 rev

ZEONHAK 4 Inch Diatomaceous Earth Coaster Set of 12 Instant Dry Diatomite Drink Coasters Round Absorbent Coaster for Kitchen Drinks Plants Fast Water Absorption W10 x D10 x H0.8 cm Cloud Gray

ZEONHAK$16.804.5★57 rev

Photect Diatomaceous Earth Coasters Set with Holder Absorbent Stone Drink Coasters Instant Drying Tray for Tabletop Protection Home Decoration Housewarming Gift(Mint 6 Pcs)

Photect$17.824.4★161 rev

NiuYichee 2 PCS Water Absorbent diatomite Coasters 8.3 x 4 Water Absorbing Stone Tray for Sink Stone Drying mat for Kitchen Counter Stone soap Tray Used for Hand Soaps & toiletries & Plants

NiuYichee$9.554.4★5,987 rev

Newest

by launch date

GZ5CG Diatomaceous Earth Stone Coasters Set of 6 with Holder Cork Backing

GZ5CG$15.6410 rev

3mo ago

2 PCS Water Absorbing Diatomite Coasters Stone Drying Mat for Kitchen Counter Quick Dry Stone Mat Trays for Bathroom Kitchen Counter Soap Dish Tray Used for Hand Soaps (White 8.3 x 4)

Tondid$9.22110 rev

5mo ago

Diatomaceous Earth Coaster Set of 4 Unique Absorbent Stone Coaster Irregular Shape Round Coasters Modern Diatomaceous Earth Design Instant Dry Stone for Drinks Table Desk at Work(White)

Nisamey$5.2555 rev

7mo ago

Azhou 6Pcs Absorbent Diatomaceous Earth Coasters Set with Velvet Bottom

Azhou$18.9365 rev

8mo ago

Teecyhooo 6 Pcs Diatomaceous Earth Absorbent Coasters with Holder 4 Inch Floral Engraved Non-Slip Round Diatom Mud Cup Mats Drink Coasters for Home Office Coffee Kitchen Bar Table Decor

Teecyhooo$21.5818 rev

9mo ago

What buyers say about diatomite coaster

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

What buyers love

Quality-Overall11%

“Amazing quality”

Design-Overall9%

“unique design”

Value For Money6%

“reasonably priced”

Advertised Vs Actual Product6%

“As described”

Ease Of Cleaning6%

“Easy to clean”

Absorbency6%

“Absorbs quickly”

Size-Overall6%

“Nice compact size fits 2 bottles perfectly”

Color5%

“Beautiful color”

Moist/Dry4%

“so they absorb moisture really well”

Shape/Style4%

“Stylish”

What buyers complain about

Stain Resistance17%

“stains easily”

Size-Overall9%

“These are small”

Ease Of Cleaning8%

“hard to clean”

Color6%

“since theyre a lighter color”

Advertised Vs Actual Product3%

“False advertisement”

Quality-Overall3%

“appear very cheaply made”

Durability2%

“they are definitely breaking down after 4 months of daily use”

Moist/Dry2%

“They do not absorb moisture”

Thickness2%

“They are rather thick as most coaster are”

Absorbency2%

“Absorbs nothing”

Top return reasons

Size-Overall50%

Color12%

Advertised Vs Actual Product7%

Material Quality5%

Quality-Overall4%

Stain Resistance3%

Value For Money2%

Defective Material/Parts2%

Functionality-Overall2%

Shape/Style1%

Common questions

Is diatomite coaster profitable to sell on Amazon United States?: The niche generates $51K/yr across 43 tracked products. 3 of 14 products launched in the last 360 days are still selling. 90-day search growth is +30.5%. Flapen's verdict: Worth a look (56/100).
How competitive is the diatomite coaster niche?: 23 brands and 29 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 53% of demand.
What do buyers complain about in diatomite coaster?: Top complaints mined from reviews: Stain Resistance, Size-Overall, Ease Of Cleaning. The return rate is 3.3%.
When does demand for diatomite coaster peak?: Demand peaks in Jul; the busiest month runs 2.0× the quietest.
What does it cost to enter the diatomite coaster niche?: Listings span $5.25–$37.74; the average listing price is $13.01 (sweet spot $15–$100). The average incumbent carries 884 reviews — the moat a new listing must climb.