Does it cover the whole mattress?

Yes. It is a zippered encasement that wraps the top, sides and bottom, so the mattress is sealed on all six sides.

Will it fit a thick or pillow-top mattress?

It is cut for standard mattress depths. Deep or pillow-top mattresses can be a tight stretch, so check the depth before buying.

Most owners say it is quiet under a sheet. A few notice a light crinkle, mainly right after fitting.

Yes, it is machine washable, but you have to unzip and remove it from the mattress first.

It seals the mattress so bed bugs cannot get in or out. It does not treat an infestation on its own.

Not for waterproofing, but a pad on top adds cushioning and keeps the encasement cleaner between washes.

At Target, for $33.99, 31% under what the other stores charge, as of our latest check.

Rated 4.5 out of 5 from 499 ratings.

4 stores we checked sell it, including Target, Lowe's, Bed Bath & Beyond, Overstock.

$33.99at TargetChecked Nov 9

31% under what the other stores charge

Compared across 4 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.