Memory Foam Pillows are designed to keep your head, neck, and spine in the correct alignment. Their temperature and pressure sensitive characteristics allow each pillow to mold to every curve giving you a completely personalized pillow. The ergonomic design of the memory foam pillow cradles your head and neck. Its contour (peanut) shape supports the arch in your spine. These pillows come with a soft, white zippered terry cover case that can be easily removed and washed. There are channels in the base.