SLEEP TITE ENCASE Box Spring Protector – Six-Sided Zipper Encasement – Eliminates Bed Bugs and Dust Mites – 100% Waterproof -15 Year Warranty

Amazon.com Price:  $9.99 (as of 18/10/2017 07:11 PST- Details)

Six-sided bed bug proof protector with end zipper completely encases box spring – accommodates box springs depths up to 10 inches
100% Waterproof and hypoallergenic material helps eliminate dust mites and allergens
Vital component of a complete bed bug, dust mite and allergen elimination system