LUCID Encasement Mattress Protector – Completely Surrounds Mattress for Waterproof, Allergen Proof, Bed Bug Proof Protection -15 Year Warranty – Queen size Price:  $49.99 (as of 18/10/2017 12:50 PST- Details)

Bed bug proof and waterproof fabric encases the entire mattress
Accommodates mattresses 6″- 18″ deep with elastic bottom seam
Smooth hypoallergenic surface is quiet and will not change how your mattress feels