GRT Twin XL Rayon Bamboo Waterproof Mattress Protector

GRT Rayon Bamboo Waterproof Mattress Protector is a Twin XL fitted cover with a stretchy skirt listed for mattresses 8–19 inches deep. Its polyester and rayon-from-bamboo surface, machine-washable care, and advertised waterproof barrier suit buyers seeking a washable layer, though customer feedback is divided on water resistance and cooling.

At a glance

Stretchy fitted skirt is claimed to fit mattresses 8–19 inches deep.
The listing describes a 3D air-fiber surface and double waterproof membrane, and claims a quiet feel.
Machine washing is listed. The feature text also specifies tumble drying on low temperature.
Surface fabric is listed as 60% polyester and 40% rayon made from bamboo.

Price

$23.16Save 20%

Reference price: ~~$28.95~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

The stated 8–19-inch depth range accommodates a broad range of mattress profiles if the measurement matches your mattress.
Machine-washable care offers a straightforward cleaning option.
The fitted pull-on style avoids a zipper and is described as having a stretchy skirt.

Technical specifications

11 specifications

Identity and fit
Brand	GRT
Model	Rayon bamboo Waterproof Mattress Protector
Size	Twin XL
Color	White
Fit	8"- 19" mattresses
Closure	Pull On

Materials and protection
Surface fabric	Surface: 60% Polyester + 40% Rayon Made from Bamboo
Material listed	Rayon From Bamboo, 3D Air Fiber Fabric
Water resistance listed	Waterproof
Listed features	Breathable, Cooling, Stain Protection, Washable, Water Proof

Care
Care instructions	Machine Wash

What to know before buying

Listing details to confirm

The listing claims waterproofing and cooling, but customer feedback is mixed on both: some describe effective spill protection or a cool feel, while others report poor water resistance or little cooling. Treat those outcomes as uncertain rather than guaranteed. The listing also claims waterproof capability after 100 machine washes, but gives no test conditions.

Who is it for?

A good fit for

Twin XL owners whose mattress measures within the stated 8–19-inch depth range.
Buyers wanting a machine-washable fitted protector with a rayon-from-bamboo blend surface.

Less suited to

Buyers who need assured spill protection or a reliably cooling surface, since customer feedback on both outcomes is mixed.

GRT Twin XL Rayon Bamboo Waterproof Mattress Protector · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 1,886 ratings

5 stars77%77%
4 stars12%12%
3 stars5%5%
2 stars2%2%
1 star4%4%

Customer feedback highlights positive impressions of fit, softness, comfort, and protection from spills, while reports about water resistance and cooling are divided. The majority of ratings are five-star, but a smaller share are low ratings, and star ratings alone do not explain those experiences. For buyers choosing this fitted Twin XL cover, the reported fit suits the listed 8–19-inch range, but the conflicting water-resistance and cooling experiences make those performance claims less predictable.

Positive themes

Customers praise the fit on deeper mattresses and say it stays in place.
Customers describe the cover as soft and comfortable, and report protection from spills and leaks.

Mixed feedback

Reports on water resistance range from effective protection to claims that it is not waterproof.
Cooling impressions differ, with some finding it cool to the touch and others saying it is not very cooling.

Frequently asked questions

What mattress depth does the protector fit?

The feature listing claims a stretchy skirt for mattresses 8–19 inches deep. Measure your mattress depth and compare it with that range.

What is the surface fabric?

The listed surface composition is 60% polyester and 40% rayon made from bamboo. The material details also name 3D Air Fiber Fabric.

Is this protector waterproof and cooling?

The listing describes it as waterproof and cooling, but customer feedback is mixed on water resistance and cooling. The claims do not guarantee the same performance for every buyer.

How should it be cared for?

Machine washing is listed. The product feature text says to tumble dry on low temperature.