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Waterproof Mattress Protector, Hotel-Grade Cotton Blend — King
Mattress Care

Waterproof Mattress Protector, Hotel-Grade Cotton Blend — King

★★★★★★★★★★ 4.2/5 · 66 verified reviews

King-size silent waterproofing with a natural cotton-blend surface — full protection with zero change to how the bed sleeps.

$39.99Price checked at publication · may vary
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  • Complete waterproof barrier
  • Natural cotton-blend surface
  • Engineered for silence
  • Mattress feel untouched

Our Take

This is the king-size expression of the collection’s silent-waterproofing philosophy, with a cotton-blend terry sleeping surface for those who prefer natural fiber against the sheet. Like its viscose sibling, it is built on a simple contract: total liquid protection, zero sensory evidence that a protector is on the bed.

The cotton-blend face is soft, matte and quietly absorbent — it drinks a spill on contact and holds it at the surface while the underlying membrane guarantees nothing passes through to the mattress. Cotton’s natural breathability keeps the sleeping microclimate comfortable, and the fabric’s slight terry texture grips the fitted sheet above it, keeping the whole stack of layers from migrating on the slick top of a modern mattress.

A king mattress is a four-figure purchase in most homes, which makes the economics of this protector almost absurd: one thin washable layer stands between that investment and every glass of red wine, pet accident and feverish night for the next decade. It also stands between the mattress and the warranty-voiding stains that manufacturers inspect for first when claims are filed.

The deep-pocket fitted skirt stretches over thick king mattresses — including those wearing the collection’s quilted mattress pad underneath or above — and the whole protector machine washes and dries at home on low heat. Fit it once, forget it exists, and let it quietly do the most valuable job in the bedroom.

What Sets It Apart

Complete waterproof barrier

A flexible membrane laminated beneath the fabric blocks spills, sweat and accidents from ever reaching the mattress.

Natural cotton-blend surface

A soft, breathable terry face that absorbs on contact, sleeps comfortably and holds the fitted sheet in place.

Engineered for silence

No crinkle, no rustle — designed to be sensorially invisible under the sheets.

Mattress feel untouched

The thin laminate transmits the mattress’s native contour and response instead of masking it.

King-size deep-pocket fit

Elasticized skirt stretches over thick and pillow-top king mattresses and stays anchored.

At a Glance

SizeKing (76 × 80 in)
SurfaceCotton blend terry
BarrierWaterproof polyurethane membrane
FitFitted style with deep elasticized skirt
CareMachine wash, tumble dry low

Care & Longevity

Common Questions

Protector or mattress pad — which goes on top?

Protector directly on the mattress, quilted pad above it, fitted sheet on top. That stack gives waterproofing, comfort and easy laundering in the right order.

How is this different from the viscose version?

Same silent membrane and fit philosophy; the difference is the face fabric — natural cotton terry here (matte, absorbent, classic) versus the smoother, cooler viscose knit on the other model.

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