Made from quality and hypoallergenic materials, this pillow protector is PVC and chlorine-free, ensuring that it is both safe and comfortable. The cover is made of durable polyester, the lining is made of polypropylene, and the filling is polyester, making it easy to machine wash and retain its shape and structure. This investment in your sleeping comfort ensures that you can always have clean and fresh pillows to rest on. The two-pack pillow protector set even allows you to switch out your protectors and extend the lifespan of your pillows.