Experience customized comfort with the Dyonery Memory Foam Pillow, designed to relieve neck pain and support natural spinal alignment. Featuring an adjustable three-layer core, you can easily combine layers to achieve the perfect height and firmness for your sleep needs. The pillow is encased in a breathable, removable pillowcase made of 50% polyester and 50% ice fabric for a cool, all-season sleep. Made with premium perforated memory foam, the pillow offers slow rebound support while dissipating heat for continuous comfort. The contoured ergonomic design naturally fits the curve of your neck, reducing pressure and supporting all sleeping positions—side, back, or stomach. Perfect as a sleeping pillow or cervical pillow for neck pain relief.