---
title: "Diatomite Coaster — $51K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/diatomite-coaster"
last_updated: "2026-08-10T10:08:19.142Z"
locale: en
meta:
description: "Niche score 56/100 · $51K/yr market · 84K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
"og:description": "Niche score 56/100 · $51K/yr market · 84K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
"og:title": "Diatomite Coaster — $51K/yr Amazon US Niche (2026) - Flapen"
---
# **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.
Market size 13Growth 57Conversion 55Competition 79Returns 47Price range 70Avg price 58Brand share 82Review moat 65Quality gap 57
**Brand share**
**Great****53%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****36%**
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**
**Good****884**
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**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****4.6%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****3.3%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**29**
**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.
5K3KPrime Day '25Spike '25Black Friday '25Spike '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Jul · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/diatomite-coaster/trend)
## **Top diatomite coaster search terms**
- **diatomaceous earth coasters**25K/yr+56.4%3.2% conv. - **diatomite coaster**17K/yr+26.9%2.3% conv. - **diatomaceous earth coaster**9K/yr+49.4%3.2% conv. - **diatomite coasters**8K/yr+23.2%2.0% conv. - **diatomaceous coaster**8K/yr-1.0%2.8% conv. - **water absorbent diatomite coasters**4K/yr+10.6%2.0% conv. - **bathroom coaster**3K/yr+37.9%2.5% conv. - **niuyichee 2 pcs water absorbent diatomite**3K/yr-44.5%2.9% conv. - **niuyichee**2K/yr-16.0%3.0% conv. - **niu yichee water absorbing stone tray for sink**1K/yr-96.3%0.0% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/diatomite-coaster/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.
0%3%$2K6%$3K9%$5K12%$6K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Diatomaceous Earth Coasters Set of 4Cool Absorbent Quick-Dry Drink Coasters for Desks Cute Modern Stone Design with Stylish White Aesthetic (4 White)**NUOBISHI**$7.81**4.4★707 rev](https://www.amazon.com/dp/B0DGPTRH1V) [2**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**$5.25**4.3★55 rev](https://www.amazon.com/dp/B0GD54DXX7) [3**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**$16.80**4.5★57 rev](https://www.amazon.com/dp/B0BC3G4NTY) [4**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**$17.82**4.4★161 rev](https://www.amazon.com/dp/B0DB274K15) [5**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**$9.55**4.4★5,987 rev](https://www.amazon.com/dp/B0BPMB1Y13)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GZ5CG Diatomaceous Earth Stone Coasters Set of 6 with Holder Cork Backing**GZ5CG**$15.64**10 rev3mo ago](https://www.amazon.com/dp/B0GYYS1Q6K) [**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**$9.22**110 rev5mo ago](https://www.amazon.com/dp/B0GGBB1W55) [**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**$5.25**55 rev7mo ago](https://www.amazon.com/dp/B0GD54DXX7) [**Azhou 6Pcs Absorbent Diatomaceous Earth Coasters Set with Velvet Bottom**Azhou**$18.93**65 rev8mo ago](https://www.amazon.com/dp/B0G3K77C6Z) [**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**$21.58**18 rev9mo ago](https://www.amazon.com/dp/B0FXG84FT2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GZ5CG Diatomaceous Earth Stone Coasters Set of 6 with Holder Cork Backing**GZ5CG**$15.64**4.3★**▲ 268%**](https://www.amazon.com/dp/B0GYYS1Q6K) [**NiuYichee 2 PCS Water Absorbent diatomite Coasters 7.1 x 3.5 Water Absorbing Stone Tray for Sink Stone Drying mat for Kitchen Counter Stone soap Tray Used for Hand Soaps & toiletries & Plants**NiuYichee**$9.48**4.4★**▲ 191%**](https://www.amazon.com/dp/B0DXF8VGL2) [**Azhou 6Pcs Absorbent Diatomaceous Earth Coasters Set with Velvet Bottom**Azhou**$18.93**4.6★**▲ 188%**](https://www.amazon.com/dp/B0G3K77C6Z) [**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**$9.22**4.5★**▲ 160%**](https://www.amazon.com/dp/B0GGBB1W55) [**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**$5.25**4.3★**▲ 152%**](https://www.amazon.com/dp/B0GD54DXX7)
**~~View all trending →~~**
## **What buyers say about diatomite coaster**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**11%
*“Amazing quality”*
**Design-Overall**9%
*“unique design”*
**Value For Money**6%
*“reasonably priced”*
**Advertised Vs Actual Product**6%
*“As described”*
**Ease Of Cleaning**6%
*“Easy to clean”*
**Absorbency**6%
*“Absorbs quickly”*
**Size-Overall**6%
*“Nice compact size fits 2 bottles perfectly”*
**Color**5%
*“Beautiful color”*
**Moist/Dry**4%
*“so they absorb moisture really well”*
**Shape/Style**4%
*“Stylish”*
### **What buyers complain about **
**Stain Resistance**17%
*“stains easily”*
**Size-Overall**9%
*“These are small”*
**Ease Of Cleaning**8%
*“hard to clean”*
**Color**6%
*“since theyre a lighter color”*
**Advertised Vs Actual Product**3%
*“False advertisement”*
**Quality-Overall**3%
*“appear very cheaply made”*
**Durability**2%
*“they are definitely breaking down after 4 months of daily use”*
**Moist/Dry**2%
*“They do not absorb moisture”*
**Thickness**2%
*“They are rather thick as most coaster are”*
**Absorbency**2%
*“Absorbs nothing”*
### **Top return reasons **
**Size-Overall**50%
**Color**12%
**Advertised Vs Actual Product**7%
**Material Quality**5%
**Quality-Overall**4%
**Stain Resistance**3%
**Value For Money**2%
**Defective Material/Parts**2%
**Functionality-Overall**2%
**Shape/Style**1%
## **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.
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