Everlasting Comfort Bolster Pillow, Memory Foam Half-Moon Knee Pillow

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Product guide

Everlasting Comfort Bolster Pillow, Memory Foam Half-Moon Knee Pillow

Half-Moon: The Everlasting Comfort Bolster Pillow is a semicircular memory foam cushion designed for use under the knees or legs while resting or sleeping. Its removable cover and stated multi-position use suit buyers seeking a compact positioning pillow, though feedback indicates its height, size, and softness may not suit every body or preference.

At a glance

Semicircular memory foam shape is intended to rest under knees or legs and can also be positioned for back or neck support.
Removable cover is listed as machine washable. The care instructions say to keep the foam out of the washer and dryer.
The listed dimensions are 21 inches long, 7.9 inches wide, and 4.5 inches high.

Price

$25.49Save 36%

Reference price: ~~$39.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Memory foam and a semicircular shape provide a dedicated cushion for knee and leg positioning.
The removable cover can be washed separately according to the listed care instructions.
Listing describes use under the knees, legs, ankles, or lower back, as well as for sitting or resting.

Cons

The listed height is 4.5 inches, and customer feedback is mixed on whether the pillow is tall or large enough.
Its listed firmness is soft, which may not satisfy buyers who want a firmer bolster.

Technical specifications

17 specifications

Identity
Brand	Everlasting Comfort
Model	Bolster Pillow
Size	Standard
Color	White
Pieces	1

Materials and care
Fill	Memory Foam
Cover	Removable Cover
Material feature	Breathable
Latex content	Latex Free
Care instructions	Remove cover from memory foam. Cover is machine washable on a gentle cycle with cold water. Dryer safe (low heat) or air-dry setting. DO NOT PUT MEMORY FOAM IN WASHER OR DRYER. Packaging may vary.

Dimensions and installation
Form factor	Semicircular
Dimensions	21"L x 7.9"W x 4.5"H
Weight listed	1.5 pounds

Use and construction
Firmness	Soft
Recommended uses	Recovery, Resting, Sitting, Sleeping
Target body areas	Back, Buttocks, Feet, Legs, Neck
Special features	Compressible, Removable Cover

What to know before buying

The listing describes the shape as semicircular and half-moon, but also uses cylinder or tube wording. Treat its shape and fit as listing descriptions, not a precisely verified profile. The 4.5-inch listed height may feel insufficient to some customers, and feedback on size and firmness is mixed. Follow the care instructions to wash the removable cover only, not the foam. The page also claims a lifetime replacement policy, whose terms are not detailed here.

Who is it for?

A good fit for

Back or side sleepers looking for a small memory foam cushion to position under the knees or legs.
Buyers who want a removable, washable cover and are comfortable with a soft pillow.
People seeking a multipurpose cushion for resting, sitting, or sleeping, based on the listed placement options.

Less suited to

Anyone who needs a taller or larger bolster, given the listed dimensions and mixed feedback about size and height.
Buyers who prefer a consistently firm support pillow or need confirmed therapeutic results.

Everlasting Comfort Bolster Pillow, Memory Foam Half-Moon Knee Pillow · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 5,823 ratings

5 stars71%71%
4 stars15%15%
3 stars8%8%
2 stars3%3%
1 star3%3%

Customer feedback reports perceived support and pain relief, with some customers saying they found it helpful for back or hip discomfort and considered the pillow worth the price. These are customer impressions, not evidence of a guaranteed treatment effect. Experiences differ on firmness, size, and height. That variation matters for a soft pillow listed at 4.5 inches high, especially if you need a particular lift or firmer support.

Positive themes

Customers report supportive comfort and perceived pain relief, including for back or hip discomfort.
Some customers praise the pillow's quality and say it suits back sleepers.

Mixed feedback

Customer feedback varies on firmness, with some finding the balance comfortable and others finding it too soft.
Feedback is mixed on size and height, with some wanting a larger or taller pillow.

Frequently asked questions

Can the pillow cover be washed?

The listing says to remove the cover and wash it on a gentle cycle with cold water. It says the cover can be dried on low heat or air-dried, and specifically warns not to put the memory foam in a washer or dryer.

What are the pillow's dimensions?

The listed dimensions are 21 inches long, 7.9 inches wide, and 4.5 inches high. Customer feedback is mixed about whether its size and height are sufficient.

How can the pillow be positioned?

The listing describes use under the knees, legs, or ankles and behind the lower back. It also lists resting, sitting, and sleeping as intended uses.

Does the listing establish that it relieves pain?

No. The listing makes pain-relief claims, and customer feedback reports perceived support and relief, but that does not establish a guaranteed or independently verified medical result.