Premium BedCare Vinyl Box Spring Encasings Revolutionary Protection In An Allergen Barrier That's Built To Last. Medical studies show box springs also need to be encased. And our vinyl encasings just got a whole lot better! BedCare premium encasings utilize a revolutionary proprietary design that incorporates super tear-resistant Duralast vinyl and a patented SecureZip zipper. The result is an encasing that is 50% stronger in tensile strength than other leading brands and a zipper construction that is virtually tear-proof providing unparalleled quality and performance. This unique allergen barrier encasing incorporates a proprietary manufacturing process and product design that includes a Lifetime Mfg. Warranty. Initial vinyl smell will dissipate after airing out. However, if you are vinyl or chemically sensitive, you will probably want to consider using our SofTEK2 Encasings on your box springs. Queen Size measures 60inch Wide x 80inch Long x 9inch Deep.