Orkin Bed Bug Blocking Box Spring Encasement, King/ 2-Twin XL Made with micronone fabric technology, our encasements create a unique, lightweight barrier that blocks bed bugs and all micro-toxins larger than one micron (one-millionth of a meter) like dust mites, mold spores, pet dander and pollen. Comfortable and soft to the touch, our encasements are also waterproof, fire retardant, breathable and washable  so you can rest easy knowing your bedding is protected. Help protect your home for minimal additional cost. by comparison, a typical bed bug treatment can cost anywhere from $600 to $1,000, depending on the severity of the infestation. Help reduce available areas for bed bugs to harbor and lay eggs Tested by a board certified entomologist and pass the penetration - escape test, which means existing bed bugs cannot escape from encased bedding, nor can newly introduced bugs penetrate the encasement from the outside. Made with micronone fabric technology, our encasements create a unique, lightweight barrier that blocks bed bugs and all micro-toxins larger than one micron (one-millionth of a meter) like dust mites, mold spores, pet dander and pollen Comfortable and soft to the touch, our encasements are also waterproof, fire retardant, breathable and washable - so you can rest easy knowing your bedding is protected, King or 2 twin XL in size Help protect your home for minimal additional cost; by comparison, a typical bed bug treatment can cost anywhere from 600 to 1000 dollars, depending on the severity of the infestation Help reduce available areas for bed bugs to harbor and lay eggs Tested by a board certified entomologist and pass the "penetration - escape test," which means existing bed bugs cannot escape from encased bedding, nor can newly introduced bugs penetrate the encasement from the outside