What is the EMF fabric sample pack?

It is a pack of four labeled EMF fabric swatches, which you choose from our range, so you can test them with an EMF meter before buying.

Which fabrics can I choose from?

BlocWiFi, BlocCopper, BlocSilver®, BlocCotton, FlexiBloc, Swiss Shield® Ultima and Swiss Shield® Naturell. You choose four, and you can choose the same fabric more than once.

Can I choose the same fabric more than once?

Yes. You can choose any four swatches, including the same fabric more than once.

How do I test the swatches?

Hold a labeled swatch between your EMF meter and the high-frequency source, such as a WiFi router, and check the reading. Repeat with each swatch to compare them.

Are the swatches labeled?

Yes. Each swatch is labeled, so you know which fabric is which when you test them.

How much does the sample pack cost?

The EMF fabric sample pack is $29.99 for four swatches.

Can I return the sample pack?

Sample packs are non-returnable. If you are unsure which fabrics to choose, contact us for free advice before you buy.

Do you offer support?

Yes. If you are unsure which fabrics to choose for your project, speak to an expert for free advice before you buy.

EMF Shielding Fabric

EMF Fabric Sample Pack | Choose Any 4 Swatches

$29.99

Free US express shipping on orders over $250

Not sure which fabric to buy? The EMF Fabric Sample Pack lets you choose any four of our seven fabrics as swatches, so you can test each one with an EMF meter before you order.

Choose any 4 swatches from our 7 fabrics, repeats allowed
Labeled swatches, ready to test with an EMF meter
Find the right fabric for your project before you buy by the foot

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30-day returns
Free US shipping over $250
Shielding specialists since 2004
Free advice before you buy

Try Our EMF Fabrics Before You Buy

The sample pack is a great way to decide which fabric works best for your project. Choose any four of our seven fabrics, and you will receive a swatch of each, labeled so you know which is which. Browse our full range of EMF shielding fabrics for details on each one.

Choose From Seven Fabrics

Pick any four swatches from the list below. You can choose the same fabric more than once.

BlocWiFi: an affordable, opaque, solid weave fabric.
BlocCopper: the same solid weave fabric in a copper color.
BlocSilver®: a light, breathable silver fabric.
BlocCotton: a lightweight, breathable, washable silver cotton twill.
FlexiBloc: a soft, stretchy silver fiber fabric for garments.
Swiss Shield® Ultima: a translucent, non-conductive cotton fabric with a tighter weave.
Swiss Shield® Naturell: a lighter, translucent, non-conductive cotton fabric.

How to Test Your Swatches

Test each swatch with an EMF meter. Hold a labeled swatch between your meter and the high-frequency source, such as your WiFi router, and check the reading on the meter. Repeat with each of your four swatches. That is it: you will know which fabric works best for your project before you buy.