Description: Shell: polyester Inner shell: 95% poly 5% span Fill: 0.5mm micro airballs Size: 550x330x10 0/80/120 (mm) Features: This pillow is filled with over millions of micro air balls that allow the pillow to adjust itself to your head and neck in any sleeping position. The pillow will spring back to its original shape when not in use and maintain even after several years. The highly-coveted Addiction Pillow features to eliminate virtually partly stress and tension in those areas. Thanks to its 3D-curve design it is able to absorb small movements during our sleep and continue supporting our heads and proper body alignment. You will also feel comfortable when watching TV on the sofa. This pillow does not contain any toxic ingredients like formaldehyde methane chloride or PBDE and provides healthy protection. All material are chemical free for better health. Washable with a washing machine.