Queen Size SureGuard Box Spring Encasement – 100% Waterproof, Bed Bug Proof, Hypoallergenic – Premium Zippered Six-Sided Cover – 10 Year Warranty

Amazon.com Price: $119.99 $69.95 (as of 18/10/2017 12:55 PST- Details)

100% Waterproof – Six-sided premium protection against everyday liquids and stains; 10-year quality guarantee
Bed Bug Proof – Super fine zipper with Invisi-Zip and SureSeal technology completely seals off the box spring from bed bugs – use with a SureGuard Mattress Encasement
Hypoallergenic – Blocks dust mites, allergens, bacteria, mildew and mold – providing health benefits for the whole family