Slate Stone Coaster Set

Regular price $36.00 Free Shipping

Back in Stock in October!

Our minimal coasters do more than eliminate watermarks—they dry instantly! Created with diatomaceous earth, Dorai’s Slate Stone Coasters are both sustainable and designed to rapidly remove moisture.

Each cup coaster is a different shape and pattern, emulating the unique, natural qualities of stones. The Slate Coaster Set includes four coasters that pair perfectly with a beverage of your choice.

Cleaning Instructions: If your coaster gets stained it can be cleaned in two ways. For light stains or scuffs use a mild sanding tool or metal brush to gently rub off any marks. For more extreme stains, small amounts of hydrogen peroxide will do the trick.

Dimensions: 4” x 4” x 1/3"

  • Made with eco-friendly, non-toxic, and long-lasting materials.
  • Dries instantly thanks to Diomat®, our sustainable combination of diatomaceous earth and recycled paper.
  • Helps prevent bacteria growth by eliminating the moist environment where mold thrives.
  • Functional design created for the modern home.

Cleaning Instructions: If your stone gets stained, it can be cleaned in two ways. For light stains or scuffs use the included sanding tool to gently rub off any marks. For more extreme stains, use a small amount of hydrogen peroxide or bleach to treat the area.

Why Get the Coasters?

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Made from Algae

Dorai Home products are made from compressed diatomaceous earth and recycled paper.

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Dries Instantly

Diatomaceous earth holds up to 150% of its weight in moisture and evaporates in seconds.

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Eco-Chic Design

Dorai creates sophisticated home solutions made from high-quality, sustainable materials.

Meet the Modern Coaster

Our chic coasters do more than eliminate watermarks - they dry instantly!

Dorai Coasters with drink
Dorai Coasters with plant and mug

Customer Reviews

Based on 24 reviews
So far, so great!

I bought these coasters as a trial run for this material. I'm renovating a bathroom and really like the idea of the Dorai bath mat. I thought the coasters would be a low cost trial while waiting for the bathroom to be finished. So far, I'm really amazed by them.

Mindy Erdman

I love these coasters because they workers!
I am thrilled. No more water on my table.
Thank you!

Joel G
Actually soaks up water and looks good doing it

I'm in the North Eastern US. It's been an insanely humid summer and my drinks have been sweating all over my desk, generally making a mess. I can't believe how well these coasters soak up moisture, it's really like magic. Now I'm curious about getting some of the bathmats made of the same material!

There's really not much more to say, they soak up water and protect your table. What more could you want?


Really works to prevent moisture from leaking onto the furniture!

Rachel K
Love the coasters and bath mat

Dry quickly. Look great. Easy maintenance. No complaints. Will purchase more in the future for other rooms!

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