The Pillow protectors are thin sheets of different material that fit over your pillows and protect them from dirt, dust, and other allergens. They also help keep your pillows firm and contoured, which is important for a comfortable night’s sleep. If you’re in the market for a new set of pillows, don’t forget to include a set of pillow protectors as part of your purchase. They’re easy to install and will make a big difference in the quality of your sleep.