All-In-One provides maximum protection for your mattress and pillows against dust mites, pet dander and other unwanted allergens. We use strong, safe, and soft fabric, without sacrificing breathability and comfort. The All-In-One Ultra-Fresh™ Collection features a powerful anti-microbial and odor control treatment to keep your bed fresher, longer. The Ultra-Fresh™ treatment lasts the lifetime of the product. All products are water-resistant, stain-resistant, and hypoallergenic to keep your family sleeping safe. Zippered pillow protectors are sold as a 2-pack. We are so confident in the quality and durability of our products, that each purchase includes a 10-year warranty! Easy-care machine washable.