1.Memory foam: Memory foam neck pillows are a good choice for people with head and neck pain. The pillow core is made of slow rebound memory foam which ensures that the pillow rebounds within 35 seconds, providing effective support for the relaxation of the spine and muscles during sleep. 2.Ergonomic design: the neck support pillow features a contoured neck and a central cutout to support the neck while sleeping while keeping the head in line with the rest of the body and spine. Two heights are suitable for a wide range of sleepers. The high side is suitable for side sleepers, so that the shoulders can rest optimally. The low side is suitable for stomach and back sleepers to relieve pressure on the spine. 3.Pain relief: Memory foam pillow with heartshaped design adapts to the natural curves of the head and neck and thus helps maintain the correct sleeping posture. The support pillow supports your neck well during sleep, balances pressure distribution and ensures constant comfort and relief of the neck. The special ergonomic design allows your neck to have a royal treatment. Wake up to a beautiful day! 4.Inner and outer cushion cover: the inner cushion cover is soft and protects the cushion insert. The outer cushion cover is made of cotton and polyester, comfortable and breathable. Equipped with a zip washable outer cushion cover for a clean neck pillow sleep. The breathable surface ensures that the memory foam of the neck pillow is cooler when in use.