... mite.anti bed bug Bed bug mattress encasement/Waterproof mattress encasement/Box spring mattress encasementTop and bottom fabric:Absorbent terry ... off besmirch, liquid, bacteria and other hypersusceptibility materials from bed mattress. Feature: · Extra soft and very absorbent · Waterproof, ... preventing dust mites and bacteria from breeding inside the mattress, which are a significant cause of asthma, ...