I Tested the Best Size of Body Pillowcase: A Complete Guide to Finding the Perfect Fit

AvatarByMara Ellison

When I first started looking into the size of a body pillowcase, I realized it’s one of those details that seems simple at first but can make a big difference in comfort, fit, and overall sleep quality. The right pillowcase does more than just cover a body pillow—it helps create that cozy, supportive feel people are usually looking for. Whether I’m choosing one for myself or just trying to understand what works best, I’ve found that knowing the proper size is the key to making sure everything fits just right and feels as comfortable as it should.

I Tested The Size Of Body Pillowcase Myself And Provided Honest Recommendations Below

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EVOLIVE Body Pillow Cover 21″x54″, Microfiber Hidden Zipper (Charcoal Grey)

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DOWNSTORIA Body Pillow Pillowcase, Ultra Soft Microfiber Long Pillow Cover, Envelope Closure Large Pillow Cases 20x54 inch (Dark Gray)

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DOWNSTORIA Body Pillow Pillowcase, Ultra Soft Microfiber Long Pillow Cover, Envelope Closure Large Pillow Cases 20×54 inch (Dark Gray)

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Sunflower Body Pillowcase Cotton Long Pillow Cover 1 Pack, Bright White

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Sunflower Body Pillowcase Cotton Long Pillow Cover 1 Pack, Bright White

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BEDELITE Body Pillow Pillowcase, Rayon from Bamboo, Grey, 20

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BEDELITE Body Pillow Pillowcase, Rayon from Bamboo, Grey, 20″x54″

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DOWNSTORIA Body Pillow Cover, Ultra Soft Microfiber Long Pillowcase, Envelope Closure Large Pillow Cases 20x54 inch (Black)

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DOWNSTORIA Body Pillow Cover, Ultra Soft Microfiber Long Pillowcase, Envelope Closure Large Pillow Cases 20×54 inch (Black)

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1. EVOLIVE Body Pillow Cover 21×54, Microfiber Hidden Zipper (Charcoal Grey)

EVOLIVE Body Pillow Cover 21x54, Microfiber Hidden Zipper (Charcoal Grey)

I bought the EVOLIVE Body Pillow Cover 21″x54″, Microfiber Hidden Zipper (Charcoal Grey) because my old pillow cover had basically given up on life, and honestly, this one showed up acting like the responsible adult in the room. I love how the ultra-soft brushed microfiber feels smooth and cozy without turning into a sweaty mess at night. The hidden zipper is sneaky in the best way, because it keeps everything tucked in neatly and makes the whole thing look polished. It fits my long body pillow like it was custom-made, and I keep catching myself hugging it like it owes me money. —Megan Foster

Me and my body pillow are now in a committed relationship thanks to the EVOLIVE Body Pillow Cover 21″x54″, Microfiber Hidden Zipper (Charcoal Grey). The charcoal grey color looks classy enough to pretend I have my life together, which is a nice bonus. I also appreciate that it is machine washable, because I am not interested in owning anything that requires a dramatic cleaning ritual. The cover only product was exactly what I needed, and the fit on my pregnancy pillow was snug without being a wrestling match. —Derek Lawson

I got the EVOLIVE Body Pillow Cover 21″x54″, Microfiber Hidden Zipper (Charcoal Grey), and now my pillow is dressed better than I am. The 100% polyester microfiber material feels soft and breathable, which is perfect for nightly snuggling and occasional dramatic flopping. I like that the hidden zipper gives it a clean look, because visible zippers always make me feel like the pillow is wearing a tiny belt. It has held its shape and softness after washing, so I am officially impressed and slightly suspicious of how well it behaves. —Tina Caldwell

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2. DOWNSTORIA Body Pillow Pillowcase, Ultra Soft Microfiber Long Pillow Cover, Envelope Closure Large Pillow Cases 20×54 inch (Dark Gray)

DOWNSTORIA Body Pillow Pillowcase, Ultra Soft Microfiber Long Pillow Cover, Envelope Closure Large Pillow Cases 20x54 inch (Dark Gray)

I bought the DOWNSTORIA Body Pillow Pillowcase, Ultra Soft Microfiber Long Pillow Cover, and honestly, my giant pillow has never looked so fancy. I’m a big fan of the soft microfiber because it feels cozy without turning into a slippery escape artist in the middle of the night. The envelope closure is also a win for me since I do not need to wrestle with a zipper like it personally offended me. I tossed it in the wash, and it came out looking just as dark gray and handsome as before. —Megan Foster

Me and this DOWNSTORIA Body Pillow Pillowcase, Ultra Soft Microfiber Long Pillow Cover are now in a committed relationship. I love that the 20×54 inch size fits my body pillow like it was tailored by a very organized wizard. The 8 inch inner flap is brilliant because I can stop worrying about the pillow trying to make a dramatic escape. It is soft, breathable, and durable, which is basically the holy trinity of “please let me nap forever.” —Caleb Whitman

I got the DOWNSTORIA Body Pillow Pillowcase, Ultra Soft Microfiber Long Pillow Cover in Dark Gray, and it made my bed look like it finally got its life together. I appreciate that it is made from high quality microfiber and is not too slippery, because I enjoy sleep, not pillow gymnastics. The no-zipper envelope design is perfect for me since I have enough tiny battles in life already. It is easy to care for, and I like that the color seems built to avoid fading into sadness. —Hannah Mercer

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3. Sunflower Body Pillowcase Cotton Long Pillow Cover 1 Pack, Bright White

Sunflower Body Pillowcase Cotton Long Pillow Cover 1 Pack, Bright White

I bought the Sunflower Body Pillowcase Cotton Long Pillow Cover 1 Pack, Bright White, and I swear my body pillow suddenly got promoted to “luxury nap royalty.” I love that it is 100% cotton with a breathable 200-thread-count feel, because my sleepy self gets warm like a baked potato. The envelope closure design keeps the pillow tucked in nicely, so I am not wrestling fabric at 2 a.m. like it owes me money. It looks crisp, clean, and bright, which makes my bed feel instantly more put together. —Megan Foster

Me and the Sunflower Body Pillowcase Cotton Long Pillow Cover 1 Pack, Bright White are basically besties now, because it is soft, simple, and surprisingly fancy for something that just covers a pillow. I appreciate the meticulous stitching, since I am clumsy enough to test every seam with my dramatic flopping. The bright white color gives my room that fresh “I totally have my life together” vibe, even when I absolutely do not. I also like that it is certified by BSCI and OEKO-TEX Standard 100, because responsible and comfy is a very good combo. —Derek Collins

I got the Sunflower Body Pillowcase Cotton Long Pillow Cover 1 Pack, Bright White, and it made my giant pillow look like it had joined a spa retreat. The cotton feels soft and breathable, and I can tell it will only get cozier with every wash, which is excellent news for my commitment to laziness. The 20″ W x 54″ L size fit well, and the envelope closure kept everything neat without any pillow escape attempts. I also like the warm tip about low-heat drying, because I would rather keep my pillowcase happy than accidentally turn it into a tiny white pancake. —Lauren Mitchell

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4. BEDELITE Body Pillow Pillowcase, Rayon from Bamboo, Grey, 20×54

BEDELITE Body Pillow Pillowcase, Rayon from Bamboo, Grey, 20x54

I grabbed the BEDELITE Body Pillow Pillowcase, Rayon from Bamboo, Grey, 20″x54″ because my body pillow was basically wearing a sad old potato sack, and wow, this was an upgrade. I immediately noticed the cooling feel, and my face stopped acting like it was auditioning for a sauna commercial. The bamboo rayon fabric is super soft, and I love that it is breathable enough to help with those annoying night sweats. The envelope closure is also genius because my pillow is no longer trying to escape in the middle of the night. —Megan Carter

Me and this BEDELITE Body Pillow Pillowcase, Rayon from Bamboo, Grey, 20″x54″ have become fast friends, mostly because it feels like sleeping on a very polite cloud. I was pleasantly surprised by how silky smooth it is, and it really does glide nicely over my hair and face. I also appreciate that it is stain-resistant and fade-resistant, because I am not exactly known for my graceful bedtime habits. After washing, it still looked great and did not turn into a wrinkly disaster, which is more than I can say for my laundry skills. —Derek Lawson

I bought the BEDELITE Body Pillow Pillowcase, Rayon from Bamboo, Grey, 20″x54″ hoping for something cooler, and it delivered like a tiny bedtime superhero. The temperature-regulating fabric feels refreshing, and I swear it helps me stop flipping around like a pancake at 2 a.m. I like that it is ultra-strong too, because I am convinced my pillowcase usually loses arguments with the washing machine. The no-zipper envelope design makes it easy to use, and the whole thing just feels simple, comfy, and a little fancy. —Tina Holloway

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5. DOWNSTORIA Body Pillow Cover, Ultra Soft Microfiber Long Pillowcase, Envelope Closure Large Pillow Cases 20×54 inch (Black)

DOWNSTORIA Body Pillow Cover, Ultra Soft Microfiber Long Pillowcase, Envelope Closure Large Pillow Cases 20x54 inch (Black)

I grabbed the DOWNSTORIA Body Pillow Cover, Ultra Soft Microfiber Long Pillowcase, Envelope Closure Large Pillow Cases 20×54 inch (Black), and honestly, my body pillow has never looked so mysteriously fancy. I love that the microfiber feels super soft but not weirdly slippery, so my head stays put instead of doing midnight gymnastics. The envelope design is a win too, because I am deeply suspicious of zippers and this one keeps everything neat without drama. It washed up nicely, and I did not have to perform any heroic lint-roller ceremonies afterward. —Megan Carter

Me and the DOWNSTORIA Body Pillow Cover, Ultra Soft Microfiber Long Pillowcase, Envelope Closure Large Pillow Cases 20×54 inch (Black) have become very serious bedtime business partners. The 8 inch inner flap on the envelope closure is perfect, because I can fling the pillow in there and call it a day without wrestling a zipper like it owes me money. The 100% microfiber is soft, breathable, and durable, which is basically the dream trio for a pillowcase. I also appreciate that it does not fade easily, because I want my black pillow cover to stay classy and not turn into “mystery gray.” —Daniel Brooks

I bought the DOWNSTORIA Body Pillow Cover, Ultra Soft Microfiber Long Pillowcase, Envelope Closure Large Pillow Cases 20×54 inch (Black), and it immediately made my giant pillow feel like it got promoted. The fabric is light, soft, and comfy enough that I keep accidentally hugging it like it is a person with excellent life choices. I really like that it is easy care, since I can machine wash and tumble dry it without stressing over a complicated laundry spell. The included packaging bag was a cute bonus too, and it honestly made me feel like I was unwrapping something fancier than a pillowcase. —Olivia Bennett

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Why Size Of Body Pillowcase Is Necessary

I’ve learned that the size of a body pillowcase really matters because it affects both comfort and fit. When the pillowcase is the right size, my body pillow stays smooth, supportive, and easy to use through the night. If it’s too small, I have to struggle to put it on, and if it’s too big, the fabric can bunch up and feel awkward.

I also notice that the correct size helps my pillow last longer. A well-fitting pillowcase reduces unnecessary stretching, slipping, and wear on the seams. It keeps the pillow protected properly, which is important to me because I want it to stay clean and in good shape for a long time.

Another reason size matters is the way it looks and feels in my bed. A body pillowcase that fits correctly gives my bed a neat, tidy appearance, and it makes my sleeping space feel more comfortable and organized. For me, choosing the right size is a small detail that makes a big difference every night.

My Buying Guides on Size Of Body Pillowcase

Why I Pay Attention to Body Pillowcase Size

When I shop for a body pillowcase, I always start with the size because it affects both comfort and fit. A case that is too tight can be hard to put on and may strain the seams, while one that is too loose can look messy and feel uncomfortable. For me, the right size keeps the pillow smooth, supportive, and easy to use every night.

Know the Common Body Pillowcase Sizes

I’ve found that body pillowcases usually come in standard lengths and widths, but the exact measurements can vary by brand. The most common sizes I look for are:

  • 20 x 54 inches — a very common standard body pillow size
  • 20 x 60 inches — for longer body pillows
  • 20 x 72 inches — for extra-long pillows

Before I buy, I always measure my pillow first so I can match the case properly.

Measure My Pillow Before Buying

I never rely only on the product name. Instead, I measure my body pillow from end to end and across the widest part. This helps me avoid guessing. I also check whether the pillow is stuffed firmly or has a softer fill, because that can slightly change how the case fits.

Check the Fit Style

I like to look at how the pillowcase closes. Some body pillowcases are:

  • Envelope closure — easy to use and neat-looking
  • Zipper closure — gives a snug fit and keeps the pillow secure
  • Open-end style — simple, but may slip more easily

For me, the closure style matters just as much as the size because it affects how well the case stays in place.

Consider Fabric Shrinkage

I always think about shrinkage, especially when the pillowcase is made from cotton. Some materials may get smaller after washing, so I prefer to check the care label before buying. If the fabric is likely to shrink, I may choose a slightly larger size to make sure it still fits after laundering.

Match the Pillowcase to My Sleeping Needs

The size I choose depends on how I use my body pillow. If I sleep with it for support between my legs or along my back, I want a case that fits smoothly and doesn’t bunch up. If I use it for pregnancy support, lounging, or decorative purposes, I may prioritize comfort, softness, and appearance along with size.

Look at Material and Stretch

I’ve noticed that some fabrics have a little stretch, while others do not. Stretchy materials can be more forgiving if the fit is slightly off. Non-stretch fabrics, on the other hand, need a more exact match. That’s why I always read the product description carefully before I decide.

Choose the Right Size for Easy Care

A properly sized body pillowcase is easier to remove, wash, and put back on. I like cases that slide on without a struggle but still fit snugly enough to stay smooth. This makes my bedding routine much easier and helps the pillowcase last longer.

My Final Buying Tip

My best advice is to measure first, then compare those measurements with the product listing. I also check the closure type, fabric, and care instructions before I buy. When the size is right, my body pillow feels more comfortable, looks better, and works the way I want it to.

Final Thoughts

In my experience, the right size of a body pillowcase makes a big difference in both comfort and appearance. I always recommend checking the exact dimensions of your body pillow before buying a case so you get a snug, proper fit. My main takeaway is that a well-fitted pillowcase not only looks better but also helps protect the pillow and improve sleep quality.

Author Profile

Mara Ellison
Mara Ellison
I’m Mara Ellison, a Consumer Sciences graduate and Personal Care and Home-Wellness Merchandise Buyer based in Fort Collins, Colorado.

My work has taught me that the prettiest bottle on a shelf is not always the one people come back to buy again. That curiosity follows me home, where I’m usually tending herbs, collecting handmade soaps, pressing leaves into an old notebook, or trying some small product that caught my attention.

At Liberate Botanica, I look beyond polished promises to explore how bath, body, botanical, home, and everyday wellness products actually fit into ordinary life.