Our ROYAL THERAPY Memory Foam Pillow is CertiPUR-US certified, it means it has been tested to meet CertiPUR-US rigorous standards for emissions, content, performance, and durability. It's guaranteed to be free of chemicals and toxins you really don't want to sleep with. Royal Therapy Memory Foam is 100% Rayon from Bamboo and is imported. It has a polyester/bamboo cover that is cool and makes it a comfortable pillow for sleeping and it's removable and machine-washable. It retains its shape so it will not go flat like traditional pillows and it is also normally squeak-free. Memory foam pillow for adult holds the contour of the head and neck, distributing weight evenly, relieving pressure, and helping with neck and back pain.