Expertly woven with a unique technology that creates a micro barrier against dust, dander, and other allergens. The Clean Design Home Pillow Protector Pair keep your pillows fresh and clean. This two pack of pillow protectors are part of a complete Allergen-Aware Sleep System designed to mitigate allergy triggers and bring wellness to your home. 100% cotton cover with a unique technology to block allergens larger than 5 microns in size 300 thread count Hidden zip closures Gray piping detailing Certified STANDARD 100 BY OEKO-TEX® ensures compliance with testing for over 350 harmful substances. Imported Machine washable