【Slow Rebound Memory Foam Pillow】 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.【2 Available Heights for Any Sleep Style】The memory foam pillow is with size: 23.5 x 13.4 x 4.9/3.4 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.【Washable Pillowcase & Breathable Pillow】 This contour pillow for sleeping comes with soft pillowcase, which is made of soft comfortable fabric and mesh sides, removable and machine-washed. Besides, the contour neck pillow features excellent moisture absorption performance and breathability, remaining consistent firmness all the year. The pillowcase does not pill and is suitable for autumn and winter.【Pillow to Relieve Neck Pain】 The cervical pillow fits automatically according to the body curve to relieve and release muscles and physical and mental pressure. With personalized customized shape, the cervical pillow fits the contours of your head, neck and shoulders as well, which greatly relieves pain and reduces shoulder pressure to achieve a healthy sleep, waking up in the morning without pain.【Great Gift Choice for People】Polovo memory foam pillow effectively prevents cervical vertebrae problems and helps reduce sleepless nights. Perfect gift choice for elderly, office workers, students and all ages people. If for any reason you're not satisfied with the ergonomic pillow, please feel free to contact us. We offer 12-month product worry-free and friendly customer service.