Orthopedic 100% Foam Pillows. This Scientifically Designed Construction Allows You To Choose Whether To Sleep On Your Back Or Your Side Without The Fear Of Mis-Alignmenting Your Back While You Sleep. Designed To Support Your Upper Body To Eliminate Stiff Neck, Muscle Pain, Tension, Stress And Headaches And For A Snorless Sleep. Anti-Allergenic, Bacteria Resistant, Impact Absorbing, And Urethane Foam.Size: 13 In. x 19 In. x 5 In.