After 17 hours interviewing entomologists, allergists, and exterminators, as well as researching and testing 17 mattress and pillow encasements, weҲe confident thatProtect-A-Bed AllerZip Smooth Mattress Encasement andPillow Protectors are the best for protecting your bed from bedbugs and dust mites. Their seams are reinforced better than those of all the brands we tested, they were more comfortable to sleep on, and they have the best zippers for keeping critters out and the encasement securely in place. Dismiss