For a limited time Amazon is offering up this Allersoft 100-Percent Cotton Dust Mite & Allergy Control King Pillow Encasement for its lowest price of just $9.36 (reg. $18!).This pillow encasement is made in the USA and is highly rated with 4.5 stars and over 1,000 reviews. According to reviewers, this pillow encasement is well-made, helps relieve allergy symptoms, and are very soft.