JT Eaton Lock-Up Total Encasement Mattress *Sub Brand: Lock-Up *Callout Size: Full *Material: Stretch-Knit Polyester *Product Type: Mattress Cover *Width: 54 in. *Machine Washable: Yes *Height: 14 in. *Bedbug Encasement: Yes *Depth: 75 in.*Smooth surface with waterproof top. Zipper Lock feature prevents bed bugs and dust mites from getting to mattress. NewDouble Zipper feature provides added protection against bed bugs. Machine washable.