What size pillow cover for 18x18 insert should I buy?

Buy an 18x18 cover. If you want a fuller pillow, you can also put a 20x20 insert into an 18x18 cover. Avoid a cover larger than the insert, because it will look baggy.

Velvet Pillow Covers Review (2026): 7 Stunning Styling Tips

Quick answer

Velvet pillow covers are the easiest way to make a plain couch look richer, and the MIULEE pair is a simple place to start: two 18×18 inch dark blue covers, plush velvet on both sides, a hidden color-matched zipper and machine-wash care. Inserts are not included, so plan on 18×18 or slightly larger inserts.

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Our top pick:

MIULEE Velvet Throw Pillow Covers 18×18, Pack of 2 (Dark Blue)

Best for: Gray, cream or white sofas, beds and reading chairs

Check current price on Amazon →

Velvet pillow covers in soft blue tones stacked on a plush velvet sofa

A couch can look tired long before it wears out. Often the fastest fix is not a new sofa but new pillows, and velvet is the fabric that does the most work for the least effort: it catches light, deepens color and feels soft the moment you lean back. The MIULEE velvet throw pillow covers in dark blue are one of Amazon’s popular home decor picks in this category. Below we cover what the listing actually promises, who the pair suits, the right insert size, how to wash velvet pillow covers without crushing the pile, and how to style them on a couch or bed.

Disclosure: As an Amazon Associate, team5e earns from qualifying purchases. If you buy through our links we may earn a small commission at no extra cost to you. Prices and availability change often, so check Amazon for the current price. Learn more.

MIULEE velvet pillow covers at a glance

This is a pack of two square throw pillow covers, each 18 x 18 inches, made of 100% polyester velvet with the plush texture on both the front and the back. A color-coordinated zipper sits along the bottom seam so it disappears when the pillow is in place. The covers are machine washable on a gentle, cold cycle, and the brand says you can tumble dry low or air dry. Pillow inserts are not included. These velvet pillow covers suit renters and homeowners who want a deep, rich accent color on a gray, cream, white or tan sofa without spending much or committing to a full room makeover.

Pick	Best for	Why it stands out
MIULEE Velvet Throw Pillow Covers 18×18, Pack of 2 (Dark Blue) Best Easy Couch Upgrade	Gray, cream or white sofas, beds and reading chairs	Two 18×18 polyester velvet covers, hidden zipper, machine washable	See photos

Our verdict on the velvet pillow covers

For anyone who wants a quick, low-risk upgrade, these velvet pillow covers make sense. Dark blue velvet reads as classic in modern, traditional and coastal rooms, the hidden zipper keeps the front clean, and washable covers are far easier to live with than pillows with sewn-in fill. Prefer a warmer neutral? Our brown velvet pillow covers review looks at a chocolate pair that suits gray sofas. Skip them if you want texture you can see from across the room, like boucle or chunky knit, or if your room is already very dark.

1. MIULEE Velvet Throw Pillow Covers 18×18, Pack of 2 (Dark Blue): Best Easy Couch Upgrade

Best Easy Couch Upgrade

The main reason to buy these velvet pillow covers is the look-per-dollar. Velvet has a short, dense pile that reflects light differently depending on the angle, so a solid dark blue pillow shows highlights and shadows instead of looking flat. MIULEE puts that velvet on both sides of the cover, which matters more than it sounds: you can flip a pillow when one side gets a mark or a crease, and the back looks finished if the pillow is seen from behind on an open-backed bench or a bed.

The construction details are sensible for everyday use. The zipper is color-matched and set at the bottom edge, so it does not draw the eye, and swapping inserts or pulling the covers off for laundry takes seconds. Because the fabric is 100% polyester, it is generally less fussy than silk or cotton velvet and holds deep color well through gentle washing. The set ships as two covers without inserts, so you can reuse inserts you already own or buy a fuller pair.

What we like

Plush velvet on both sides, so the pillow is reversible
Hidden, color-matched zipper at the bottom seam
Machine washable on a gentle, cold cycle
Deep dark blue works with many neutral sofas

Keep in mind

Inserts are not included
Velvet shows pressure marks and pet hair until brushed
Polyester velvet is warm to the touch, which some people dislike in summer

Best for: Gray, cream or white sofas, beds and reading chairs

See photos & price on Amazon →

Blue velvet pillows for living room styling on a cream sofa between two windows

Key features of the velvet pillow covers

Velvet on both sides

Many budget covers use velvet on the front and a cheaper flat fabric on the back. The listing says both sides of these covers have the plush velvet texture. In practice that means you can rotate pillows to spread out wear, and nothing looks unfinished when guests see the back of a pillow on a bed or a bench.

An invisible zipper at the base

The zipper is placed at the bottom and dyed to match the fabric. When the pillow sits upright on a couch, the seam faces down and is basically out of sight. A zipper also beats an envelope closure if you like a plump, fully closed pillow, because there is no overlapping flap that can gap.

100% polyester velvet

Polyester velvet is the most common choice for throw pillow covers because it resists fading better than many natural fibers, keeps its color in the wash and costs less than cotton or silk velvet. It does feel warm and slightly slick, and like all velvet it can show a lighter or darker shade where the pile is pressed flat.

Easy-care washing

MIULEE says the covers are machine washable on a gentle cycle in cold water, can be tumble dried low or air dried, and can be smoothed with a medium-heat iron. That is unusually flexible for velvet pillow covers, but gentle handling still keeps the pile soft longer (see the washing steps below).

Who should buy it (and who should skip it)

Buy it if you:

Have a neutral sofa or bed and want one strong, rich accent color
Want reversible covers that look finished on both sides
Already own 18×18 or 20×20 inserts and only need new covers
Prefer covers you can unzip and machine wash instead of spot-cleaning whole pillows

Skip it if you:

Want covers that arrive ready to use with inserts inside
Have a dark navy or charcoal sofa where dark blue pillows would disappear
Have pets that shed light fur and you do not want to lint-roll often
Prefer cool, matte fabrics like linen or cotton for a summer look (our linen pillow covers review covers that option)

Velvet throw pillows for couch styling: 7 easy layouts

Velvet throw pillows for couch styling work best when the velvet is the star and the other pillows support it. These layouts use the MIULEE pair as the anchor:

The simple pair: one dark blue velvet pillow in each corner of a 3-seat sofa. Clean, symmetrical and great for small living rooms.
Pair plus pattern: place the velvet pillows in the corners and add one 20×20 or 22×22 patterned pillow behind each in cream, white or blue-and-white. The bigger pillow at the back makes the arrangement look layered.
Velvet plus lumbar: two velvet squares in the corners and one 12×20 or 14×24 lumbar pillow in the center. This is a tidy look for modern sofas with low backs.
Odd number for a sectional: use five pillows on a sectional, with the two dark blue velvet covers at the far ends and a lighter mix in between.
Mix textures: pair velvet with linen, cotton or a chunky knit throw. The contrast between shiny pile and matte weave keeps velvet throw pillows for couch setups from looking heavy.
Accent chair: a single 18×18 velvet pillow on an armchair is enough. Use the second cover on the sofa so the color repeats across the room.
Bed styling: sleeping pillows at the back, two 18×18 velvet covers in front, and a small lumbar in the middle.

Spacing matters. On a typical 84-inch sofa, two 18-inch pillows plus one larger pillow behind each is about the limit before people have nowhere to sit. Leave at least one cushion width clear for sitting.

Blue velvet pillows for living room color schemes

Blue velvet pillows for living room spaces are easy to match because dark blue behaves almost like a neutral. A few combinations that work well:

Gray sofa: dark blue velvet plus white or cream pillows, with a touch of brass or gold in a lamp or frame.
Cream or white sofa: dark blue velvet with blue-and-white patterned pillows for a fresh coastal look.
Tan or cognac leather: dark blue velvet against warm brown is a classic contrast; add a rust or mustard throw in fall.
Green or sage walls: navy and sage are calm together; keep the rest of the pillows neutral.

If you want to repeat the color, our navy velvet blackout curtains review shows how matching velvet at the window ties a room together. For more cover styles and fabrics, see our guide to the best throw pillow covers.

What size pillow cover for 18×18 insert?

This is one of the most common questions with velvet pillow covers, because covers and inserts are often sold separately. The rule designers use is simple: buy an insert the same size as the cover or up to 2 inches larger. That extra fill pushes into the corners and gives the pillow a full, karate-chop-ready shape.

Cover size	Insert size	Result
18 x 18 in	18 x 18 in	Neat and soft, slightly relaxed corners
18 x 18 in	20 x 20 in	Plump, full look with filled corners (most popular)
18 x 18 in	16 x 16 in	Flat, baggy cover; not recommended
20 x 20 in	18 x 18 in	Too loose; the cover will wrinkle and sag

So what size pillow cover for 18×18 insert? An 18×18 cover, like this MIULEE pair. If your inserts are 20×20, the 18×18 velvet pillow covers will look plumper, but the zipper takes more effort to close, so ease the insert in one corner at a time. A down-alternative or feather insert compresses more easily than a firm polyester block. If you still need fill, our 18×18 pillow inserts review walks through a budget pair.

How to wash velvet pillow covers (step by step)

Knowing how to wash velvet pillow covers keeps the pile soft and the dark blue rich. Follow the brand’s care notes and add a few simple habits:

Unzip and remove the insert, then close the zipper so the teeth do not snag the velvet.
Turn the cover inside out to protect the pile.
Wash on a gentle or delicate cycle in cold water with a mild liquid detergent. Wash the dark blue covers alone or with other dark items the first few times in case of dye transfer.
Skip bleach and heavy fabric softener; softener can leave the pile looking flat and greasy.
Tumble dry on low or lay flat to air dry. Take the covers out while they are still very slightly damp.
Turn them right side out and brush the pile in one direction with a soft clothes brush or your hand. If needed, steam or press lightly with a medium-heat iron from the inside, as the listing allows.

Between washes, a lint roller or a damp rubber glove removes pet hair and dust in seconds. Regular washing also keeps dust and pet dander from building up in soft furnishings, which is one small part of the indoor air quality habits the EPA describes.

What to check before buying velvet pillow covers

Measure your inserts seam to seam. Many inserts sold as 18×18 measure a bit less.
Check the color in your light. Dark blue velvet looks brighter by a sunny window and almost navy-black at night under warm bulbs.
Inserts are not included with this set, so budget for them if you are starting fresh.
Think about pets and kids. Velvet is easy to wipe, but short pile shows hair and paw prints until brushed.
Keep pillows away from heat. Keep pillows and throws at least 3 feet from space heaters and fireplaces, as the NFPA advises for anything that can burn.
Check Amazon’s return window so you can swap color if the shade does not suit your room.

Velvet pillow covers vs typical alternatives

Cover type	Look and feel	Care	Best for
Velvet pillow covers (like this pair)	Plush, light-catching, rich color	Gentle machine wash, brush pile	Cozy fall and winter looks, formal or glam rooms
Linen or linen-blend covers	Matte, relaxed, slightly textured	Machine wash, wrinkles easily	Coastal, farmhouse and summer styling
Cotton canvas covers	Crisp, flat, casual	Easy machine wash	Kids rooms, everyday family couches
Chunky knit or boucle covers	Heavy texture, very cozy	Spot clean or hand wash	Scandinavian and modern neutral rooms

Velvet pillow covers give the most color depth for the money. Linen and cotton are easier to keep looking crisp in summer, while boucle and knit add more texture but are harder to wash. Many homes rotate: velvet from October to March, linen from April to September. Want a fresh sofa look to match? See our stretch couch cover review.

See photos & price on Amazon →

How we researched the velvet pillow covers

We did not test these velvet pillow covers hands-on. We reviewed the Amazon listing details and specs (fabric, size, zipper and care instructions), checked how the listing presents the set, compared it with other popular velvet, linen and cotton pillow covers, and added general sizing, washing and styling know-how. We update this review when the listing changes.

Helpful resources: EPA: Indoor air quality and NFPA: Heating safety.

Velvet pillow covers: frequently asked questions

Are velvet pillow covers worth it?

For most people, yes. Velvet pillow covers add rich color and a soft, light-catching texture that makes a plain sofa look more expensive. Covers also cost less than full pillows, and you can swap them by season while keeping the same inserts.

How do you wash velvet pillow covers without ruining them?

To wash velvet pillow covers, remove the insert, close the zipper, turn the cover inside out and wash on a gentle cycle in cold water. Tumble dry low or air dry, then brush the pile while it is still slightly damp. MIULEE also allows a medium-heat iron for wrinkles.

What size pillow cover for 18×18 insert should I buy?

Buy an 18×18 cover. If you want a fuller pillow, you can also put a 20×20 insert into an 18×18 cover. Avoid a cover larger than the insert, because it will look baggy.

What colors go with blue velvet pillows for living room sofas?

Blue velvet pillows for living room sofas pair well with gray, cream, white and tan. Add white, blue-and-white patterned or mustard accents, and repeat the blue somewhere else in the room, like curtains, art or a vase.

How many velvet throw pillows for couch styling look right?

For a standard 3-seat sofa, two to four pillows usually look balanced. Velvet throw pillows for couch corners can be layered with a larger patterned pillow behind each, or with one lumbar pillow in the center.

Do velvet pillow covers attract pet hair?

Yes, short-pile velvet holds onto pet hair more than smooth cotton. A lint roller, a damp rubber glove or a quick pass with a soft brush removes it easily, and these covers can go in the washing machine on a gentle cycle.