From Noble Excellence, this pillow protector features: 100% cotton which is woven into a 300 thread count allergen barrier sateen fabric The fabric is treated with Microban TM for antimicrobial protection and Scotchguard TM, which is a stain release treatment. This protector has a zipper closure for ultimate protection. Machine washable for easy care. It is available in 2 sizes: Jumbo and King ( each sold separately) Imported.