When you buy a new pillow, you might notice a tiny fabric square tucked inside the packaging. It’s easy to assume it’s just a leftover piece from manufacturing or a packaging mistake. But this little square actually serves an important purpose—and understanding it can help you keep your pillow looking and feeling great for years.

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Understanding the purpose of the fabric square

The small fabric square is a sample of the material used in the pillow’s cover. Its purpose is simple: to let you test cleaning products and methods safely before using them on the pillow itself. This is especially useful for pillows made from delicate fabrics that might react badly to certain detergents, stain removers, or cleaning techniques.

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How to use the fabric square

1. Choose the cleaning product or method you plan to use.

2. Apply a small amount to the fabric square.

3. Let it sit for the recommended time.

4. Rinse or wipe it just as you would clean the pillow.

5. Check for any changes in color, texture, or fabric strength.

If the fabric square stays intact and unchanged, the product is likely safe for your pillow.

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Why testing matters

Testing cleaning products prevents accidental damage like:

• Fading or discoloration

• Shrinkage

• Weakening of the fibers

• Texture changes

A simple test on the fabric square can save you from ruining a new or expensive pillow cover.

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Common mistakes to avoid

• Skipping the test entirely, which risks permanent damage

• Using too much detergent or applying heat incorrectly

• Ignoring product instructions

Always follow the cleaner’s guidelines and use the square for testing first.

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If the test square shows damage

Stop immediately. Do not use that product on your pillow.

Instead:

• Try a different, gentler cleaner

• Look for products designed for delicate fabrics

• Check the pillow manufacturer’s cleaning recommendations

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Tips for caring for your pillowcases

• Wash them regularly following the care label

• Use mild detergents; avoid bleach and harsh chemicals

• Air dry or use low heat to prevent shrinking

• Use pillow protectors to guard against spills, oils, and stains

These simple habits extend the life of both your pillows and pillowcases.

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Conclusion

That tiny fabric square you find inside a new pillow’s packaging isn’t random—it’s a smart, practical tool to protect your pillowcase from damage. By testing products on it first, you’ll keep your pillows looking fresh, feeling comfortable, and lasting much longer. A little attention now means years of clean, cozy sleep ahead.