The Ardor Cotton Pillow Protector will protect and maintain the optimum condition of your pillow. With a 100% japara cotton cover plus cotton filling, this pillow protector is naturally hypoallergenic, thus helping to protect against dust mites and allergies. The Ardor Cotton Pillow Protector will help to prolong the life of your pillow and can be easily maintained by machine washing and line or tumble drying. Lightweight and breathable, the protector has a handy zip closure for taking on and off easily.