What is modern tatami? A modern alternative to traditional igusa.
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A short answer
Traditional tatami is woven from igusa — rush grass native to Japan, grown in flooded paddies and dried in the sun. It's the floor of tea rooms and temples. It smells, faintly, of summer grass.
Modern tatami is something different. It's a contemporary fiber, developed in Japan over the past thirty years, engineered to do what igusa can't: take a spill, survive sunlight, and hold its color through years of daily use.
At our workshop in Kumamoto, we still make traditional igusa floor mats. We use modern tatami for everything else we sell — coasters, placemats, trays, wallets. Here is why.
The problem with igusa on a dinner table
Igusa is magnificent in a tea room. On a dinner table, it's a tragedy.
The grass is porous. A drop of red wine sinks through the weave in under thirty seconds and reaches the backing. A hot plate leaves a faint yellow stain after ten minutes. Sunlight — the same sunlight that gives an Osaka-dried batch its pale gold color — will turn an untreated mat brown in a single summer.
My grandfather used to repair tatami for a shrine near our workshop. Every three or four years, sometimes sooner, he would remake the whole floor. That was the life of the material: beautiful, fragrant, fragile, and renewed on a schedule the shrine had built into its budget.
It is the wrong material for the dining table you use every night. We tried anyway, for years, and gave up.
What "modern tatami" actually is
The modern tatami fiber we use is a plant-based synthetic, spun and woven to mimic the structural feel of igusa while solving its three weaknesses:
- Color-fastness — dyed into the fiber itself, not onto its surface, so the color doesn't fade under UV.
- Washability — hydrophobic at the fiber level. A spill beads up on the surface instead of soaking through.
- Dimensional stability — the fiber doesn't shrink, swell, or release dust the way dry grass eventually does.
It is made by a handful of specialized mills in western Japan. We source ours from one in Okayama prefecture that has been developing these fibers since the 1990s. When it arrives at our workshop in Kumamoto, it looks and feels close enough to raw igusa that someone who hasn't handled both will not tell the difference.
What we don't change
We weave modern tatami on the same looms my grandfather used for igusa. The tension is the same. The width of the warp is the same. The edge-binding — traditionally done with cotton twill tape folded and hand-stitched around each mat's perimeter — is done exactly the way it was done in our workshop fifty years ago.
Every piece is cut from a full mat, one at a time. The edges are bound by hand. A placemat takes roughly forty minutes from loom to finished goods. A tray, a little longer, because of the shape. A wallet is a full afternoon.
We don't automate any of it. Not because we're precious about craft, but because the weave pulls differently from piece to piece and a machine can't feel it.
A note on what "modern" doesn't mean
"Modern tatami" is not the plastic-looking vinyl weave you sometimes see in bento boxes or cheap restaurant placemats. That is a different material — extruded polypropylene, flat and shiny, made in a factory.
Modern tatami keeps the three-dimensional structure of the grass original. Run your finger across it and you'll feel the same soft ridges. Put a warm cup on it and you'll feel the same quiet give under the ceramic. The thickness is similar. The sound of cutlery on it is the same muted sound.
It looks like tatami because it is tatami — just woven from a different fiber.
Why we're telling you this
Most of what's sold online as "tatami" in the US and EU is one of three things:
- Vinyl placemats with a printed pattern.
- Imported pieces of traditional igusa, sold without a clear care story.
- Reproduction furniture — "tatami-inspired" stools and trays — with no actual tatami material involved.
We wanted to make something different. The weave of a floor mat, sized for a dinner table. The feel of the material my grandfather spent his life making, without the fragility that made it impossible for most people outside Japan to keep.
The pieces on this site are that. Hand-made by one person, in one workshop, from a modern tatami fiber that lets you actually use them.
If you want to know more
We have a short Care page with the full washing and storage instructions. The About page has more on the workshop and how we came to this material. And our FAQ answers the fifteen questions we get most often.
Or write to us. The email comes to the maker directly.
— Tetsuya, Tatamino
Kumamoto, Japan
Continue reading
→ Care & cleaning: modern tatami 101
→ Gift guide: Japanese housewarming gifts under $50
Shop the material
→ Browse the full collection — every piece woven from modern tatami in our Kumamoto workshop.