Sleep Defense System – Waterproof / Bed Bug Proof Mattress Encasement Price:  $20.00 (as of 18/10/2017 13:29 PST- Details)

100% Waterproof Barrier on all 6 sides of mattress; Independently lab-tested to be 100% Bed Bug Proof
Zippered mattress cover stretches to fit any mattress depth from 10″ to 18″
Extra-soft Polyester knit fabric is cool and comfortable; Breathable waterproof membrane won’t trap heat while you sleep