The quartz infused fiber acts as a heat conductor that conducts heat away from your body, providing a cooling sensation throughout the night. The quartz and polyester infused fiber is knit for a soft feel, yet has a high resistance to wear and tear. Our Nano Feather technology is a process that removes the pesky quills from feathers to provide a poke free, down-like feel. Includes: 1 Standard pillow 20 x 26 inches. Pillows are made from Cooling Knit Fabric removable outer shell with a 233 thread count, 100% cotton inner shell. Filled with 33oz of 100% Silver Duck Nano Feather. This item is machine washable; however, please make sure equipment is large enough to allow the item to move freely in wash. Color: White.