SLEEP TITE ENCASE LT Bed Bug Proof Waterproof Mattress Encasement Protector

Amazon.com Price:  $41.99 (as of 18/10/2017 07:03 PST- Details)

Complete mattress encasement that won’t overheat or change the feel of the mattress
Lightweight, quiet protection against bed bugs, liquids, allergens and dust mites
Hypoallergenic cover with breathable waterproof membrane