Coop Home Goods Bolster Pillow, 21 x 8 Half-Moon Memory Foam

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Product guide

Coop Home Goods Bolster Pillow, 21 x 8 Half-Moon Memory Foam

The Coop Home Goods Bolster Pillow is a compact, half-moon memory foam support pillow with a removable insert intended to adjust its height and firmness. Its listed size is 21 by 8 inches, so it is designed for targeted support rather than full-body coverage.

At a glance

A removable foam insert is described as a way to adjust pillow height and firmness.
The listing presents it for knee, leg, neck, lumbar and hip support, including side and back sleeping.
The cover is described as removable and machine washable.

Price

$36.00Save 20%

Reference price: ~~$45.00~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

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Pros and cons

Pros

Removable insert gives buyers a way to customize the pillow's height and firmness.
Half-moon form and multiple suggested placements allow targeted support for different body areas.
The removable, machine-washable cover simplifies routine cleaning.

Cons

Its 21 x 8-inch footprint is compact, which limits how much area it can support at once.

Technical specifications

14 specifications

Identity
Brand	Coop Home Goods
Model	Coop Home Goods Bolster Pillow

Dimensions and installation
Form factor	Half-Moon
Dimensions	21"L x 8"W x 5"H
Weight listed	1.8 pounds

Materials and care
Fill material	Memory Foam
Material listed	Viscose Rayon
Cover care	Machine Wash
Color	White
Firmness description	Soft

Use and features
Target body parts	Back, Legs, Neck
Recommended uses	Side sleeping, back sleeping, pregnancy support, sciatica pain relief
Special features	Adjustable, removable memory foam insert, washable cover, CertiPUR-US certified, Greenguard Gold certified, thermoregulating
Piece count	1

What to know before buying

The listing describes the pillow as soft but also says its removable insert can adjust firmness and height. Customer feedback is mixed on firmness and size, with some finding it too firm or smaller than expected. Confirm the dimensions and desired setup before buying.

What’s in the box

Removable coverCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

People seeking a compact pillow for targeted knee, leg, neck, back or hip support.
Side or back sleepers who want to adjust pillow height by removing the foam insert.
Buyers who prioritize a removable, washable cover.

Less suited to

Anyone looking for a full-length body pillow or broad-area cushioning.
Buyers who need a specific firmness without first assessing the removable-insert configuration.

Coop Home Goods Bolster Pillow, 21 x 8 Half-Moon Memory Foam · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 1,645 ratings

5 stars67%67%
4 stars17%17%
3 stars10%10%
2 stars2%2%
1 star4%4%

Customer feedback highlights perceived support for the neck and knees, use for lower-back concerns, and help staying on the back while sleeping. Some customers describe the firmness and size as suitable, while others find it too firm or smaller than expected. These reports matter for this compact pillow because the removable insert is intended to adjust height and firmness, but feedback does not establish that the adjustment will suit every preference.

Positive themes

Customers report support for neck and knees and usefulness for lower-back concerns.
Some customers say it helps them remain sleeping on their back.
Some customers describe the pillow's quality and fit positively.

Negative themes

Some customers find the pillow too firm.
Some customers say it is smaller than expected.

Mixed feedback

Feedback differs on firmness and size, so personal comfort expectations may not align with the listed compact dimensions or adjustable design.

Frequently asked questions

Can the pillow's height or firmness be adjusted?

The listing says its removable foam insert can be taken out to customize height and firmness. It does not specify measured settings or firmness levels.

What support uses are listed?

The listing suggests knee, leg, neck, lumbar and hip support, and use by side and back sleepers.

Can the cover be washed?

The cover is described as removable and machine washable.

How large is the pillow?

The listed dimensions are 21"L x 8"W x 5"H. Customer feedback includes mixed views on size, so consider whether this compact format suits your intended placement.