SMARTSILK Pillow Protector 2-Pack (Standard) | All-Natural Silk Lined Luxury | Soft Cotton Finish | Certified Asthma and Allergy Friendly | Temperature Regulating All-Season Comfort WHY SMARTSILK: By combining the luxurious and all-natural materials of the SmartSilk Pillow Protector with the science of sleep, SmartSilks exclusive patent pending technology allows our customers to experience the health and wellness benefits that our products are known for. Encase your SmartSilk Pillow with our all-natural silk filled Pillow Protector that has been certified asthma and allergy friendly and you will be shielded against allergens, dust mites and pet dander. OPTIMAL SLEEP: The SmartSilk Pillow Protector is made with an all-natural silk and a cotton outer shell that keeps you skin moisturized overnight. The water repellent, non-woven material ensures an increased level of comfort with its smart blend of breathable and moisture wicking materials. CERTIFIED NATURAL AND SAFE: Even if you do not suffer from asthma or allergies why would you not want to sleep in the cleanest and healthiest environment possible? Our SmartSilk Shield Advantage offers you a cleaner healthier sleeping environment by blocking out bed bugs, odors and microscopic dust mites. Unlike other pillow protectors which contain formaldehyde and benzene that youre inhaling while you sleep, SmartSilk is chemical free, cruelty free, and naturally fire retardant. SMART TEMPERATURE ADVANTAGE: The Smart Temperature Advantage offers you an incredibly comfortable place to rest your head for an uninterrupted night's sleep. The SmartSilk Pillow Protector is constantly adjusting to your body temperature and is temperature regulating thus keeping your head and neck cool. EASY TO CLEAN: SmartSilk has been tested and proven to maintain its quality of life even after three years of washing and still perform as well as day one. All SmartSilks bedding essentials are both machine washable and dryable. The Asthma and Allergy Foundation of America recommends that you wash your SmartSilk products every 8 weeks in cold water and low dry. Since SmartSilk doesnt take on body odor, washing frequency can be tailored to your own personal preference.