Does it fully enclose the mattress?

Yes. It is a zippered encasement that covers the top, sides and bottom of a twin mattress.

Will it fit a standard twin mattress?

It is sized for a twin at 39 by 75 inches, which matches a standard twin mattress.

Yes. The polyester has a waterproof backing meant to block spills and accidents from reaching the mattress.

Yes. It is machine washable; follow the care label and dry it fully before refitting.

It is the best new price found as of November 7, 2026, at the low end of its recent range, with only two stores listing it new.

Full encasement helps keep dust and allergens off the mattress surface, though AllerEase markets this model mainly for waterproofing.

2 stores we checked sell it, including Bealls Florida, Target.

At Target, for $30.99, as of our latest check.

$30.99at TargetVerified

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

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