DMI Zippered Plastic Mattress Protector, Waterproof Mattress Cover, Hypoallergenic Queen Size, White Price: $16.05 (as of 18/10/2017 12:31 PST- Details)

Hypoallergenic plastic mattress cover is waterproof and helps protect and extend the life of your mattress.
Noiseless, odorless plastic will not crack, peel, discolor or harden.
Zippered style fits around mattress. Note: fits mattresses 6 inches high or less.