size: 38.5*23*6.5cm, density:50D suitable for children cover: terry, velvet, double jacquard, etc. Detailed Description:1) Superior comfort for children's neck, Benefit to relieve your baby neck pain, improving the quality of sleeping.2) High quality molded memory foam,Soft and very comfortable, it is good for support your neck and spine in one line.3)Cover material: velvet, jacquard velvet, ...