5S Slow Rebound Memory Foam Pillow: The neck pillow shapes automatically when firmly being pressed and will rebound within 5S when no press, non-deformation all the year. Lying on the bed pillow feels like floating on water or clouds, no pressure on the skin. With slow rebound design, the neck support pillow does NOT compress auricle like other common pillows Cooling Pillowcase & Breathable Pillow: The pillow for sleeping comes with ice silk pillowcase, which is made of soft comfortable ice silk fabric and mesh sides, removable and machine-washed, making you stay cooling feel all night. Besides, the orthopedic pillow features excellent moisture absorption performance and breathability, remaining consistent firmness all the year 2 Adjustable Heights for Any Sleep Style: The foam pillow is with size: 20 x 12 x 4.7/3.6 inches ( L x W x H). There are two available neck support heights to support your neck and head. The ergonomic and supportive pillow for neck pain is designed for multiple sleeping positions, such as side sleeping, supine, stomach sleeping, back sleeping and low pillow sleepers etc.