An allergen blocking mattress protector that fully encases your mattress is essential to keeping your mattress protected; however, they can be a chore to take on and off to maintain recommended cleaning practices. However, with the Cotton Jersey Zip off Mattress Protector Encasement, the struggle to remove the mattress protector is over!  This truly unique mattress protector features a removable, 360 degree zip-off top cover that zips easily on and off in between washings. The allergen barrier layer prevents 99% of allergens including; dust mites, pet dander and other non-living allergens from collecting in the mattress over time. The waterproof protection layer protects your mattress against damage and contamination from liquids spills and stains.  The stretch corners ensure a secure fit on most mattresses up to 16" tall. This product is perfect for those who want full allergy protection and ease of use and cleaning.