The Heart Of The ZenRay Classic Is A Contoured High Grade Memory Foam Pillow Made From ZenTex Memory Foam (A Refined Version Of The Original Memory Foam Invented By NASA For Use In Space). The ZenRay Classic Is Perfectly Contoured To Align Your Spine And Provide Proper Head, Neck and Lumbar Support. The Design Of Our Pillow Is Endorsed By Orthopedic Surgeons, Chiropractors And Medical Doctors To Relieve Stress, Reduce Headaches And Back Aches and Give You a Better Night’s Sleep. The ZenRay Classic Gives You Everything You Need For Portable Comfort. Contoured High-Quality Memory Foam Pillow With Sturdy Removable Travel Case, Carry Strap, And Elastic Pocket System.