Bamboo Pillow with Cool Comfort (Bamboo-derived rayon, Queen) 40% Bamboo Rayon 60% Polyester Made in USA and Imported Shredded memory foam provides more airflow, staying cooler than the standard memory foam pillows! Bamboo-fabric casing is hypoallergenic, wicks moisture, and is stain-resistant! Entire pillow (inner and outer) can be washed and dried in your home machine. 3 types of Shredded memory foam allow the pillow to be treated like a normal down or cotton pillow, while still maintaining memory foam support. Won't lose it's shape over time - Pillow will continue to deliver quality comfort for many years.