What Makes Radicaln Different
Description
Bare stone coasters look good until they scratch the table and leave a condensation ring anyway. These marble coaster plates are backed with felt, so they do the one job a coaster is for: six hand-cut stone coasters that protect the table from both scratches and rings, lift cleanly off a cold glass, and look like a set worth leaving out. Choose square or octagon, in natural stone colors.
Set of 6 · 3.5" coasters, 0.5" thick · felt-backed · square or octagon · natural stone colors · free US shipping · 30-day returns
What makes these marble coaster plates different
Felt bottom protects the table
Every coaster is backed with felt — the detail that makes a stone coaster actually safe on wood. It stops the coaster scratching the table when you slide a glass, and it keeps the cold, sweating stone from soaking a ring through to the surface. Bare marble coasters skip this and mark the table they're meant to protect; these don't.
Substantial half-inch stone
At half an inch thick, these are solid coasters with real weight and presence, not thin tiles. The thickness is what keeps them flat on the table and lets them take a hot mug or a cold glass without flexing or sliding.
Won't stick to a cold glass
Polished stone lifts cleanly off the bottom of a sweating glass — none of the "coaster stuck to my drink" that thin cork and cardboard are known for. The weight keeps the coaster on the table where it belongs.
Square or octagon, a set of six
Choose the clean square or the faceted octagon — both 3.5 inches across, both half an inch thick, both a set of six. Each design comes in a range of natural stone colors, so you can match them to your table.
Natural stone, no two alike
Each coaster is hand-cut from natural marble or onyx, so the veining and banding differ from piece to piece — the six coasters in your set won't even match each other exactly. The onyx variants carry a warm translucency, the marble variants their own veining.
Marble vs the usual coasters
| Marble (this) | Cork | Cardboard / paper | Silicone | |
|---|---|---|---|---|
| Protects wood (felt backing) | Yes — felt-backed | Softer, but can slip | Flimsy | Yes |
| Won't stick to a cold glass | Yes — lifts cleanly | Often sticks | Sticks & warps | Usually |
| Substantial & stays flat | Yes — 0.5" stone | Thin, curls | Thin, bends | Flexible |
| Looks like decor | Yes — natural stone | Utilitarian | Disposable look | Casual |
| Each piece unique | Yes — natural veining | No | No | No |
The honest trade-off: a marble set costs more than cork or cardboard and it's heavier. It's polished stone, not an absorbent surface — the felt backing handles table protection, but the top doesn't drink up condensation the way sandstone does, so wipe the odd puddle rather than expecting the coaster to soak it. What you get is a set that protects the table top and bottom, wipes clean, and looks like a piece of the room.
Product specifications
| Attribute | Detail |
|---|---|
| Set includes | 6 marble coaster plates (no holder) |
| Designs | Square or Octagon (choose one) |
| Coaster size | 3.5 inches across |
| Thickness | 0.5 inch |
| Backing | Felt — protects wood from scratches and rings |
| Square colors (8) | Black, Natural Brown, White Onyx, Green Onyx, Oceanic, Travertine, Verona, White |
| Octagon colors (8) | Black, White Onyx, Green Onyx, Oceanic, Travertine, Verona, White, Natural Brown |
| Material | Natural marble and onyx |
| Material features | Hand-cut, hand-polished natural stone |
| Care | Wipe clean, keep felt dry — not dishwasher safe |
| Shipping | Free US shipping |
| Returns | 30-day returns |
How to use your marble coaster plates
- Set them out on the table, coffee table, or sideboard — felt side down.
- Rest any glass or mug on the polished stone face.
- Let the felt do its job — it keeps the coaster from marking the table.
- Wipe and stack — a quick wipe of condensation, then stack them ready for next time.
Works for: water glasses, wine, cocktails, coffee mugs, and cold cans. Note: felt goes down against the table; polished stone faces up.
Materials and craftsmanship
Each coaster is hand-cut and hand-polished from natural marble or onyx, and every one is finished with a felt backing. Because the stone is natural, the veining and tone vary from piece to piece — no two coasters, or two sets, are alike.
A note on natural stone: your set won't be a pixel-perfect copy of the photo, and the six coasters will vary from one another. That variation is the stone, not a flaw. Marble is porous, which is why the coasters are polished and why spills should be wiped rather than left to sit.
Care instructions
- Wipe with a damp cloth and dry. Mild soap and a soft cloth for a deeper clean.
- Wipe condensation off the top rather than letting it pool.
- Keep the felt backing dry — blot it if it gets wet and let it air-dry.
- Skip the dishwasher.
- Don't let acids sit on the stone; wine, citrus, and vinegar can etch marble.
- Avoid abrasive pads, which scratch the polish.
Who this is for
- Wood tables and furniture that need protection from rings and scratches.
- Anyone who wants a set of six for the whole table, not one or two.
- Hosts who want coasters that look like part of the table setting.
- Gift buyers — a set of six felt-backed stone coasters is a natural, self-contained gift.
Good for: housewarmings, weddings and registries, Mother's Day, and Christmas gifts.
Complete your marble table
Want a matching caddy to keep them in? See our marble coaster set with holder in round and square. Protect the table under a bottle with a marble wine bottle coaster, browse more marble coasters, or see the full Marble Home & Kitchen range.
About these marble coaster plates
These marble coaster plates come as a set of six felt-backed stone coasters. The felt backing protects wood tables from scratches and condensation rings, the polished stone lifts cleanly off a cold glass, and at half an inch thick they're substantial coasters with real presence. Available as square or octagon, each 3.5 inches across, in a range of natural stone colors. Free US shipping and a 30-day return policy.
Frequently Asked Questions
The felt faces down; the polished stone faces up.
The square has a clean straight edge; the octagon is faceted. Square comes in eight colors and octagon in seven.
In exchange you get a coaster that wipes clean and won't stain.
Octagon (8): the same range.
The veining varies within every colour.
Wipe condensation off the top, keep the felt backing dry, skip the dishwasher, and wipe acidic spills like wine or citrus promptly since they can etch marble.
















































































