These zippered covers help keep your pillow in place while you sleep, so you can be satisfied knowing you're still able to relax in bed while your pillows are safe and secured. GOTS-Certified has undergone the most intensive auditing process in the industry concerning the ethical treatment of workers, the environment, and the consumer. Made of 100% breathable organic cotton, naturally long, silky smooth, chemical-free, and machine washable. You'll feel safe using these pillows for your entire family. Read more Read more