LUCID Mattress Protector & Encasement – Bed Bug Proof – 100% Waterproof -15 Year Warranty – Vinyl Free

Amazon.com Price:  $11.99 (as of 18/10/2017 06:32 PST- Details)

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