Waterproof Mattress Protector, King
4.6 (280,612 ratings — across all sizes of this protector)
The protector that made our name, cut for the 76 by 80 inch King surface two people actually share.

4.5 (3,600 ratings — across all sizes of this protector)
The Essential line is protection stripped to its honest minimum — a thin, absorbent, breathable fitted layer that blocks spills, sweat and stains without changing the comfort of the mattress underneath. In the Full size it covers the bed that moves through a family: first real mattress, then a sibling, then the guest room. One layer, no complications, nothing to learn.
In stock
Your order is placed with and fulfilled by our retail partner — with its delivery network, tracking and return window.
No loft and no padding. Under a fitted sheet the Essential reads as nothing at all, so a firm mattress stays firm and nobody renegotiates their bed because a protector arrived.
The surface takes a spill on contact and the barrier stops it there. Urine, sweat and knocked-over drinks all end at this layer rather than in the foam.
Deep stretch corners hold Full mattresses up to 18 inches smooth and tight all night, with none of the shifting or crinkling that plastic-backed covers are known for.
A slim protector is judged entirely by absence: no rustle when someone rolls over, no trapped heat, no ridge under the sheet, no history written on the mattress at the next rotation. The Essential is built to fail none of those and announce nothing.
Cold wash, low tumble, and it is among the fastest-drying pieces we make. Keep it in the ordinary sheet rotation and the mattress below stays in the condition it arrived in. Full care guide →
4.6 (280,612 ratings — across all sizes of this protector)
The protector that made our name, cut for the 76 by 80 inch King surface two people actually share.
4.6 (280,612 ratings — across all sizes of this protector)
Our original cotton terry protector in the Full cut — the size that furnishes first apartments and second bedrooms.
4.6 (280,612 ratings — across all sizes of this protector)
Our original cotton terry protector in the Queen cut — the size on most beds, and the one most guests sleep on.