OLANLY California King Bamboo Viscose Mattress Topper

Viscose: OLANLY Mattress Toppers include this California King quilted layer with a bamboo-derived rayon and polyester cover and plush down-alternative fill. It is presented as a softening layer for a mattress that feels too firm, with a deep-pocket skirt and machine-washable care.

At a glance

Soft quilted pillow-top design with plush down-alternative fill is intended to add cushioning to a firm or flat mattress.
The cover is listed as 40% rayon derived from bamboo and 60% polyester. The product description says the surface is designed to promote airflow.
A stretchable deep-pocket skirt is described as helping the topper stay in place, though no mattress-depth range is specified.
Machine washable according to the listed care instructions. The feature text advises allowing 24–48 hours for full loft after unpacking and says to tumble dry on low only if the care label allows.

Price

$68.39Save 15%

Reference price: ~~$79.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Soft, cushioned construction is suited to buyers seeking a gentler feel rather than a firmer or more supportive topper.
California King sizing and a deep-pocket skirt are useful for larger mattresses, although a maximum mattress depth is not given.
Machine-washable care offers a straightforward way to refresh the topper.

Cons

The listing identifies the product as not water resistant, so it should not be treated as a spill barrier or waterproof protector.

Technical specifications

11 specifications

Identity and fit
Brand	OLANLY
Model	Mattress Toppers
Size	California King
Color	White
Number of items	1

Materials and protection
Material listed	40% Rayon Derived from Bamboo, 60% Polyester
Water resistance listed	Not Water Resistant

Design and care
Listed features	Breathable, Cooling, Deep Pocket, Eco-Friendly, Pillow Top
Firmness description	Soft
Closure type	Pull On
Care instructions	Machine Wash

What to know before buying

Cooling is a listed feature, but customer feedback is mixed on whether the topper feels cooler. Some customers also report that its thickness falls short of expectations. The listing gives no thickness measurement or mattress-depth range, so confirm fit and desired loft before choosing it.

Who is it for?

A good fit for

California King bed owners who want to add a soft, quilted layer to a mattress that feels firm or flat.
People looking for a machine-washable mattress layer with a deep-pocket design.
Sleepers who prefer down-alternative cushioning over a dense foam topper.

Less suited to

Buyers seeking a waterproof mattress protector.
Shoppers who need a specified topper thickness or confirmed fit range for a particular mattress depth.
Anyone requiring assured cooling performance, since the listing gives no measured cooling specification and customer impressions differ.

OLANLY California King Bamboo Viscose Mattress Topper · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 577 ratings

5 stars74%74%
4 stars10%10%
3 stars7%7%
2 stars4%4%
1 star5%5%

Customer feedback often describes a plush feel, a softer surface on firm mattresses, and a fit that stays put. Some customers report better comfort or sleep, while cooling impressions are mixed and some say the topper is thinner than expected. Those accounts align with its stated soft pillow-top design, but the listing provides no thickness measurement or cooling performance data, so buyers needing a particular loft or dependable cooling should weigh those uncertainties.

Positive themes

Customers describe the topper as plush and say it makes firm mattresses feel softer.
Some customers report that it fits well and stays in place.
Some customers mention improved comfort and sleep.