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What size is the Ultra Pro Cloth?Updated 3 days ago

TL;DR: Ultra Pro Cloth measures 40 cm by 40 cm in a 1000 GSM microfibre weave. It absorbs more than 11 times its own weight, giving you a generous square that covers worktops, mirrors and glass panels in fewer passes than a thinner utility cloth.


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Koh Ultra Pro Cloth, 1000 GSM microfibre finishing cloth
Koh Ultra Pro Cloth size and density detail

What size is Ultra Pro Cloth?

Ultra Pro Cloth measures 40 cm by 40 cm and is a 1000 GSM microfibre weave, 80% polyester and 20% polyamide, with a nano-silver antibacterial treatment. It absorbs more than 11 times its own weight in water. The high GSM makes it a dense weave that traps fine dust and grime without leaving lint or streaks.

✓ Measured specs

Size: 40 cm × 40 cm.
Weight: 1000 GSM.
Composition: 80% polyester, 20% polyamide.
Absorbency: more than 11 times its own weight.
Shape: square.
Treatment: nano-silver antibacterial. Full breakdown in what the cloth is made from.

40 × 40 cm 1000 GSM Square

Why does the density matter?

A high GSM packs more microfibre into every square centimetre. That density is what lets the cloth absorb more than 11 times its own weight, trap fine dust and grime without leaving lint or streaks behind, and keep performing through repeated wash cycles. The cloth also carries a nano-silver antibacterial treatment that keeps it fresher between washes.

✓ Density is what you feel

A high GSM packs more microfibre into every square centimetre. That density is what lets the cloth absorb more than 11 times its own weight, trap fine dust and grime without leaving lint or streaks, and keep performing through repeated wash cycles. It also carries a nano-silver antibacterial treatment.

Streak-free Lint-free Professional grade

How does it compare to a thinner cloth?

At 1000 GSM, Ultra Pro Cloth is a dense, high-pile microfibre weave, noticeably thicker and more absorbent than a typical thin utility or kitchen cloth. The denser pile holds more water, traps more dust and grime per pass, and resists going thin or losing grip over many washes, so you clean a given area in fewer passes and the cloth lasts longer.

✓ What the higher GSM gives you

At 1000 GSM this is a dense, high-pile microfibre weave, noticeably thicker and more absorbent than a typical thin utility or kitchen cloth. The denser pile holds more water and traps more dust and grime per pass, so you cover a worktop or mirror in fewer wipes, and it resists going thin or losing grip across many washes.

Fewer passes Holds more water Lasts longer

Will it shrink or lose its shape?

Not if you keep it off high heat. The care label specifies a cool 30 degree wash and tumble drying on low, and it should never be ironed. High heat is what shrinks and flattens a microfibre loop pile, and fabric softener clogs the loops and takes the plushness out of it. Wash it with non-linting items only and it will stay full-size and thick.

⚠ High heat is the risk

High heat is what shrinks and flattens a microfibre loop pile, and fabric softener clogs the loops and takes the plushness out of the cloth. Wash cool, tumble dry low or line-dry in the shade, and never iron.

No high heat No softener No iron

The full routine, including temperature and drying, is in how to wash and care for Ultra Pro Cloth.


Koh Ultra Pro Cloth, 1000 GSM microfibre finishing cloth

Ultra Pro Cloth

40 cm by 40 cm, 1000 GSM microfibre, absorbs more than 11 times its own weight. Professional-grade finishing cloth.

Koh Universal Cleaner 2L

Universal Cleaner

The everyday all-rounder, and the natural partner for Ultra Pro Cloth on worktops, glass and stainless steel.

Browse all Ultra Pro Cloth articles

Last reviewed: August 2026 · Koh UK

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