Sleeping Neck Pillow: Scientifically designed wave pillow fits perfectly to support your neck, head and shoulders while you sleep. Therapeutic ergonomics reduce neck and back pain, relieve shoulder stiffness, promote proper spinal alignment, and help your muscles relax.Your sleeping position plays an important role in your sleep: this neck support pillow adapts to different firmness and features, making 1 pillow suitable for all positions. For side sleepers, the pillow should be thick enough to support your head but firm enough so your head doesn't sink into it.Memory Foam Material: The soft neck support pillow is made of memory foam, which is skin-friendly and breathable. Slow-rebound memory foam maintains the pillow's shape and properly supports your head, neck, and shoulders for maximum sleeping comfort. The neck support pillow is made of memory foam, which is skin-friendly and breathable, and inhibits the growth of mold.Good Night's Sleep: High and low curved surfaces on both ends of the memory foam neck pillow provide a customized fit to meet the needs of various sleepers while allowing for smoother breathing and more comfortable sleep. Slow-rebound memory foam maintains the pillow's shape and properly supports your head, neck, and shoulders for maximum sleeping comfort.NOTE: We are extremely confident in the quality of our pillows and provide 100% support.