Science of Sleep Spinal Back Memory Foam Pillow for $38.69. Shipping is $2.95 for a total of $41.64 shipped. Here is a screenshot for your reference. The S-curve’ pillow relieves stress and strain on the back, includes a removable machine washable sherpa cover, and measures 22″L x 12″D x 2″H. Most places have it for about $49.