Mainstays Extra Firm Pillow for Side Sleepers The Mainstays Extra Firm Support for Side Sleepers Bed Pillow provides extra firm support for your head, neck, shoulders, and back, ensuring a wonderful night's sleep. The responsive hypoallergenic fiber filling and gusseted design of the shell provides the loft and support you need at the price you deserve. Measuring 17" by 28", this pillow will work with most Standard/Queen size shams, and the microfiber cover resists wrinkling and everyday wear-and-tear. It is also machine washable and dryable for easy care. Get the support you need with the Mainstays Extra Firm Support for Side Sleepers Bed Pillow. • Extra firm support for side sleepers • Gusseted design provides additional loft • Responsive hypoallergenic fiber filling • Antimicrobial-treated microfiber shell • Works with standard/queen shams • Machine washable and dryable for easy care • Comes with a 3-year warranty