helps alleviate tension headaches, neck muscle & joint sprains, strains, ligament sprains, & arthritis discomfort. 100% viscoelastic premium memory foam that creates a custom fit.  Cover is machine washable, soft plush polyester/cotton blend pillowcase. Pillows can be wiped off w/damp cloth, & air dried.   #081154434-Ea Latex Free UNSPSC#42241700