mt Washi Tape: 15 mm Rolls, Lengths & How to Use It

mt masking tape roll in Matte Light Blue, with a 15 mm strip (drawn to scale) running across a ruled card to a hand-torn end — A 15 mm mt roll; ruled lines show faintly through the thin washi (tape width drawn at 1 mm = 4 px).

Product facts

Product: mt masking tape (washi tape), mt basic 1P, 15 mm single roll
Brand: mt
Brand origin: Japan
Made in: Japan^*
Material: Washi (Japanese paper) masking tape
Price range: $under $5 per item

Notes on these facts

Made by Kamoi Kakoshi Co., Ltd. (Kurashiki, Okayama). Made in Japan: Kamoi Kakoshi's company page describes its head-office factory in Kurashiki and a second factory in Yakage, Okayama, shipping mt from Japan to the world. Maruzen Junkudo's listings for mt basic 1P rolls give 原産国 (country of origin) Japan, and Jenni Bick, Hunter Paper Co. and Tacto Studio say made in Japan. Source. Price: example listing.
Price bands are typical US retail, checked October 2026. Conversions to US dollars are approximate, at October 2026 rates (US$1 = ¥158 = ₩1,330 = NT$32.5 = CN¥6.7 = SEK 9.9 = DKK 6.7 = ₺49.6 = C$1.41 = A$1.43; €1 = US$1.12; £1 = US$1.32; CHF 1 = US$1.21).

Key takeaways

The basic mt roll is 15 mm (0.6 in) wide; Japanese listings for current mt basic single rolls give 15 mm × 7 m (23 ft), on a 44 mm roll.
Some retailers still list 15 mm × 10 m (32.8 ft) rolls and 10-roll sets, so check the length on the listing.
Kamoi Kakoshi, founded on February 15, 1923, makes mt at its Kurashiki and Yakage factories in Okayama; mt won a Good Design Award in 2008.
Kamoi says mt tears easily by hand and doesn't break or leave residue when you peel it off; it began with 20 traditional Japanese colors.
Amazon US saw about 40,000 searches for "washi tape" in the week of June 7, 2026, per ASINsight.

What is mt washi tape?

mt is the washi tape brand of Kamoi Kakoshi, a masking-tape maker in Kurashiki, Okayama. Washi tape is masking tape made from thin Japanese paper (washi), sold in solid colors and prints for decorating, labeling and holding paper in place.

Kamoi’s brand page tells the origin story: mt began with a small book made by three women who loved masking tape, who asked Kamoi for colorful tape. The company, founded in 1923, started out making flypaper before specializing in industrial and painting masking tape. mt started with 20 traditional Japanese colors and has since passed 1,000 designs, and it won a Good Design Award in 2008. St. Louis Art Supply dates mt’s creation to 2006; Kamoi’s page doesn’t give a launch year.

mt washi tape specs

Spec	Value
Maker	Kamoi Kakoshi Co., Ltd. (brand: mt), Kurashiki, Okayama
Basic width	15 mm (0.6 in)
Roll length	7 m (23 ft) on current mt basic single rolls; 10 m (32.8 ft) on some sets and older rolls
Roll size	44 mm across (mt basic 1P)
Material	Washi (Japanese paper)
Tearing	By hand
Removal	Peels without breaking or leaving residue, per Kamoi
Example identifiers	Silver MT01P206R (JAN 4971910271001); Mizu MT01P192R (JAN 4971910270868)
Japan price	¥231 (about US$1.50) a roll at Maruzen Junkudo, tax included
Made in	Japan

Handling and origin come from Kamoi Kakoshi’s own pages; roll size, lengths, identifiers and price from Maruzen Junkudo’s listings for mt basic 1P rolls. We couldn’t open Kamoi’s online shop, which puts a bot check in front of its product pages.

A 15 mm strip of mt washi tape drawn to scale across an A6 page, and roll lengths compared: 10 m (32.8 ft) and 7 m (23 ft) rolls — 15 mm covers about two lines of 6 mm ruling; a 10 m roll holds about 67 strips the width of an A6 page, a 7 m roll about 47.

How much tape is on a roll?

Current mt basic single rolls hold 7 m (23 ft), but some sets and older rolls hold 10 m (32.8 ft). Maruzen Junkudo lists mt basic 1P solids at 15 mm × 7 m, and Jenni Bick, Tacto Studio and Paper Whisper list their 15 mm solids and prints at 7 m too. Hunter Paper Co. still lists a silver roll and a 10-roll set at 15 mm × 10 m.

At 148 mm, the long side of an A6 page, a 7 m roll gives about 47 full-width strips and a 10 m roll about 67. Compare price per meter, not per roll.

What can you use mt washi tape for?

Decorating planners and journals, labeling, and holding things down without damage to the paper.

Planners: color-code weeks in a Hobonichi Techo or frame a page in a Traveler’s Notebook.
Labels: write on a strip and stick it on a jar, cable or folder edge.
Holding: tape a ticket or photo into a journal so it can come out again.
Decoration: wrap gifts, edge cards and mark spines. Jenni Bick says it can go on painted walls without damaging the paint.

For ready-cut washi shapes instead of a roll, see Midori Yuru Log stickers.

Can you write on mt washi tape?

Retailers say yes: Jenni Bick, Tacto Studio and Hunter Paper Co. all call it easy to write on. We haven’t tested it yet, and shiny or metallic prints may need a permanent marker.

Try a corner first. A permanent marker such as a Sharpie Fine Point is the usual choice for labels on glossy designs.

For a clear tape that is made to be written on, see Scotch Magic Tape.

Does mt washi tape come off cleanly?

Kamoi says it does: mt doesn’t tear partway when you peel it, and leaves no adhesive behind. Retailers describe it as repositionable, which is the main difference from ordinary clear tape that tears paper when you lift it.

Hunter Paper Co. also calls its mt tape waterproof and heatproof. Kamoi doesn’t say so on the pages we read, so treat that as one shop’s claim.

What does mt washi feel like?

Thin, smooth and supple, as Kamoi describes it, and semi-transparent. Kamoi says it follows the shape it’s stuck to, and Jenni Bick notes that the translucency makes layered strips look good. That’s also why ruled lines can show through a light color, as in our drawing.

Patterned “deco” rolls such as Asanoha use the same 15 mm width as the solids, so they mix freely on one page.

Where is mt washi tape made?

In Japan. Kamoi Kakoshi’s company page describes its head-office factory in Kurashiki and a second factory in Yakage, both in Okayama, and says it ships mt from Japan to the world. Maruzen Junkudo’s listings give Japan as the country of origin, and US retailers say “made in Japan”.

In the US, mt is sold singly and in sets by stationery and art shops such as Jenni Bick, Hunter Paper Co. and St. Louis Art Supply.

Frequently asked questions

How long is a roll of mt washi tape?

Current mt basic single rolls in Japan are 15 mm × 7 m (23 ft), per Maruzen Junkudo's listings, and Jenni Bick and Paper Whisper list 7 m too. Some retailers still sell 15 mm × 10 m (32.8 ft) rolls and sets, so check the listing.

How wide is mt washi tape?

The basic width is 15 mm (about 0.6 in). Kamoi also makes other widths, and its 2026 autumn and winter range adds a paper cutter made for 15 mm rolls.

Who makes mt washi tape?

Kamoi Kakoshi, a masking-tape maker in Kurashiki, Okayama, founded on February 15, 1923. Kamoi says mt began when three women who loved masking tape asked it to make colorful tape.

Is mt washi tape reusable?

Kamoi says mt doesn't break when you peel it off and leaves no adhesive residue, and retailers describe it as repositionable. How many times it resticks depends on the surface, and we haven't measured it.

Can you tear mt washi tape by hand?

Yes. Kamoi says the thin, smooth washi tears easily by hand, which leaves a soft, feathered edge rather than a straight cut.

What is the difference between washi tape and masking tape?

Washi tape is masking tape made of thin Japanese paper (washi), sold in colors and patterns. mt itself came from Kamoi Kakoshi, a maker of industrial and painting masking tape.

Where is mt washi tape made?

In Japan. Kamoi Kakoshi makes it at its masking-tape factories in Okayama, and Japanese and US retailers list mt rolls as made in Japan.

Sources (13)

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