Allows you to maintain perfect head and spine alignment while sleeping, preventing stiffness, headaches and various back discomforts.Relieve stressSlow reboundBreathable moisture absorptionLight and softPillow fabric: polyester fibershape: rectangleApplicable number: SingleFilling: Memory Cotton (Polyurethane)Applicable people: adultsWeight: 1.8kgprompt:1 Please check the size and color before purchasing.2 Does not include items other than those shown in the product photo.3 Please note that due to different monitors, slight chromatic aberration may occur, please understand4. The measurement is manual measurement, the error is normal, please allow 2-3cm difference, depending on the actual object.5. Welcome your sharing and feedback so that we can provide you with better products and services.