Best Throw Pillow Insert: The Secret to Plump, Perfectly Styled Cushions

Naima Leblanc
  Aug 20, 2025 6:09 AM

A beautifully decorated room isn’t just about the right furniture or wall color—throw pillows are the subtle finishing touch that adds warmth, texture, and personality. But while many focus on the cover, the real magic lies inside: the throw pillow insert. The right insert brings structure, fluffiness, and comfort to your cushions, ensuring they look inviting and feel luxurious. Whether you're upgrading your living room, sprucing up a guest bedroom, or refreshing seasonal decor, this guide will help you find the best throw pillow insert to achieve both comfort and style.

Note When Choosing the Best Throw Pillow Insert:

  1. Size Matters: Always choose an insert that’s 1–2 inches larger than the pillow cover for a full, plush look. For example, use a 20x20” insert in an 18x18” cover.

  2. Fill Material: Down/feather inserts offer a soft, luxurious feel and great "karate chop" styling, while synthetic alternatives (like polyester or microfiber) are hypoallergenic and budget-friendly.

  3. Shape Retention: Look for inserts with good loft and bounce-back ability to prevent sagging or flattening over time.

  4. Durability & Stitching: Well-stitched seams and strong covers prevent leaks and prolong the life of the insert.

  5. Usage Purpose: Consider whether the insert is meant for decorative use or daily lounging—this will guide your choice in firmness and fill.

Our Top Pick

1
DAFENA Boho Brown Pillow Covers 18x18 Inch 2 Pcs Grey Gray Black Vintage Floral Decor Throw Pillows Spring Flower Fall Outdoor Farmhouse Decoration Pillowcase Cushion Cover for Couch Sofa Bed
DAFENA Boho Brown Pillow Covers 18x18 Inch 2 Pcs Grey
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    DAFENA
2
Utopia Bedding Throw Pillows (Set of 4, White), 16 x 16 Inches Pillows for Sofa, Bed and Couch Decorative Stuffer Pillow
Utopia Bedding Throw Pillows (Set of 4, White), 16 x
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  • Brand
    Utopia Bedding
3
Utopia Bedding Throw Pillows Insert (Pack of 2, White) - 18 x 18 Inches Bed and Couch Pillows - Indoor Decorative Pillow
Utopia Bedding Throw Pillows Insert (Pack of 2, White) -
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  • Brand
    Utopia Bedding
4
Oubonun 20 x 20 Throw Pillow Inserts (Set of 2) with 100% Cotton Cover - 20 Inch Square Interior Decorative Sofa Pillow Insert Pair - White Couch Pillow
Oubonun 20 x 20 Throw Pillow Inserts (Set of 2)
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  • Brand
    Oubonun
5
Leeden 20 x 20 Pillow Inserts (Set of 2) - Throw Pillow Inserts with 100% Cotton Cover - 20 Inch Square Decorative Pillows for Sofa, Couch, Bed and Home Decor
Leeden 20 x 20 Pillow Inserts (Set of 2) -
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    Leeden
6
MIULEE 14x36 Inch Throw Pillow Insert Premium Throw Pillow Virgin Microfiber Stuffer Rectangle Pillow for Sofa Bed Couch
MIULEE 14x36 Inch Throw Pillow Insert Premium Throw Pillow Virgin
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    MIULEE
7
MIULEE Throw Pillows Inserts, Pack of 2 18x18 Inch 100% Virgin Fiber Filling Bed Couch Pillows
MIULEE Throw Pillows Inserts, Pack of 2 18x18 Inch 100%
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    MIULEE
8
MIULEE 20 x 20 Pillow Inserts (Set of 2) -Throw Pillows for Couch Sofa with 100% Cotton Covers
MIULEE 20 x 20 Pillow Inserts (Set of 2) -Throw
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    MIULEE
9
Utopia Bedding Throw Pillows (Pack of 2, White), 12 x 20 Inches Indoor Decorative Pillow Insert for Sofa, Bed and Couch
Utopia Bedding Throw Pillows (Pack of 2, White), 12 x
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  • Brand
    Utopia Bedding
10
Utopia Bedding Throw Pillow Inserts (Pack of 4, White), 18 x 18 Inches Decorative Indoor Pillows for Sofa, Bed, Couch, Cushion Sham Stuffer
Utopia Bedding Throw Pillow Inserts (Pack of 4, White), 18
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  • Brand
    Utopia Bedding
11
MIULEE 22x22 Pillow Inserts,Set of 2 Down Feather Throw Pillows for Couch Sofa Bed, Decorative Fluffy Throw Pillow Inserts Cotton Fabric,White
MIULEE 22x22 Pillow Inserts,Set of 2 Down Feather Throw Pillows
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    MIULEE
12
MIULEE Throw Pillow Insert Premium Pillow Stuffer Sham Rectangle for Decorative Cushion Bed Couch Sofa 12x20 Inch
MIULEE Throw Pillow Insert Premium Pillow Stuffer Sham Rectangle for
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    MIULEE
13
basic home 18x18 Decorative Throw Pillow Inserts-Down Feather Pillow Inserts-Square-Cotton Fabric-Set of 2-White.
basic home 18x18 Decorative Throw Pillow Inserts-Down Feather Pillow Inserts-Square-Cotton
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    basic home
14
MIULEE Pillow Insert 12x20 Inch, Decorative Rectangle Throw Pillow Insert, Premium Fluffy Pillow Forms Stuffer for Sofa Couch Living Room
MIULEE Pillow Insert 12x20 Inch, Decorative Rectangle Throw Pillow Insert,
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    MIULEE
15
puredown® 18 x 18 Decorative Feather Down Throw Pillow Inserts (Set of 2, White) for Sofa, Couch, Bed, Machine Washable
puredown® 18 x 18 Decorative Feather Down Throw Pillow Inserts
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    puredown
16
EDOW Throw Pillow Inserts, Set of 2 Lightweight Down Alternative Polyester Pillow, Couch Cushion, Sham Stuffer, Machine Washable. (White, 18x18)
EDOW Throw Pillow Inserts, Set of 2 Lightweight Down Alternative
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    EDOW
17
LANE LINEN 18 x 18 Throw Pillow Insert - Pack of 2 White, Down Alternative Pillow Inserts for Decorative Pillow Covers, Throw Pillows for Bed, Couch Pillows for Living Room
LANE LINEN 18 x 18 Throw Pillow Insert - Pack
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    LANE LINEN

Last update on 2025-08-20 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

FAQS

1. What size throw pillow insert should I buy for my pillow cover?
To achieve a full and professional look, choose an insert that is 1 to 2 inches larger than your pillow cover. For example, a 20x20" insert fits perfectly in an 18x18" cover.

2. Which is better: down or synthetic fill?
Down inserts are softer, more luxurious, and offer a higher-end appearance. However, synthetic inserts are hypoallergenic, easier to care for, and often more affordable.

3. How do I make my throw pillows look fuller and fluffier?
Aside from sizing up your insert, opt for high-fill power (for down) or high-loft synthetic fills. Fluffing the pillow regularly and giving it a light karate chop also improves its appearance.

4. Are throw pillow inserts machine washable?
Many synthetic inserts are machine washable, but down inserts usually require dry cleaning or spot cleaning. Always follow the care label instructions.

5. Can I use outdoor inserts indoors?
Yes, outdoor inserts are often water-resistant and durable, making them a great low-maintenance option indoors, especially in homes with kids or pets.

Conclusion

A great throw pillow insert does more than just fill a cover—it brings life, comfort, and dimension to your decor. With the right size, fill material, and quality, your pillows will not only look fabulous but feel cozy too. Whether you prefer a cloud-soft down or a firm, allergy-friendly synthetic option, investing in the best throw pillow insert is a small change with a big visual impact. Style smarter, sit softer, and let your pillows shine from the inside out.