Dri Silk Casual Home Linen Dri-Silk Pillowcase, Standard, Glacier 87% Polyester, 13% Spandex Imported Two (2) pillowcases 87% Polyester and 13% Spandex with an Anti-Microbial Finish, Moisture Wicking, Breathable, more than twice of Egyptian Cotton Anti-Odor and Anti-Bacterial, Smooth and silky feel, Regulates excess heat to increase sleeping comfort, Unique stretch fit and durable Wrinkle Free and easy to maintain Standard Pillowcase (2 Pieces): 20"x30" Wash Cold Water, No Bleach, No Dryer Sheets, Tumble Dry Low, No Fabric Softeners, No Iron