The Rest Evercool Standard Aqua Blue Pillowcase keeps you cool through the night with breathable, moisture-wicking fabric that feels light against the skin. Its blend of 80% nylon, 13% spandex and 7% ionic silver nylon provides stretch for a smooth fit and helps reduce microbial buildup for fresher sleep. Sized standard for most pillows and machine washable for easy care, this pillowcase pairs performance with simple upkeep so your bedding stays comfortable and fresh.