The Mainstays Cooling Bed Pillow is designed to keep you cool and dry, so you can enjoy a better night's sleep. This reversible pillow has both cool and comfy sides and offers firm support thanks to the hypoallergenic fiberfill made from recycled water bottles. Measuring 20" by 28", this pillow will work with most standard/queen shams. Featuring advanced technology, the temperature-regulating technology means you'll never have to worry about being to too hot or too cool and can just relax. Stay comfortable with the Mainstays Cooling Pillow with Antimicrobial Treatment.