Split King Size Sureguard Box Spring Encasement Pack - 100%, Sided Covers White SureGuard Box Spring Encasements provide 360 degree premium protection against liquids, stains, allergens and bed bugs. They are ideal for those with pets or children, or anyone suffering from bedbug infestations, asthma or dust mite allergies. 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 springs from bed bugs - use with a SureGuard Mattress Encasement Hypoallergenic - Keeps Your Box Springs Clean Fresh - Blocks dust mites, mold, mildew, pollen and pet dander on all sides. Soft Noiseless - Smooth stretch-knit surface hugs to your box-spring like a glove - Free from Vinyl, PVC, Phthalates, fire retardants and other toxic chemicals Split King (2 pieces, 39 in x 80 in) - Fits 8 to 11 inches deep; Zippered Box Spring Covers - Machine wash and dry. Independently lab tested and GREENGUARD Gold certified.