Pillow Cube Ice Cube Standard Pillow for Side Sleepers, Cooling Technology and Removable Cover Plush temperatureregulating foam core aligns your spine perfectly, filling your 90degree shoulder gap Includes a soft and stretchy pillowcase that is machine washable for easy care Designed specifically for side sleepers to enhance overall sleep quality and health Helps maintain proper spinal alignment during sleep Features a temperatureregulating core to keep you comfortable throughout the night Cooling outer shell woven with frozen fibers ensures your head stays cool