The Memory pillow, was made for those who like effective but not too pronounced head support, comfortable and breathable thanks to its high quality standards. It is a viscoelastic foam product with memory foam. Also known as ?slow memory?, viscoelastic has a cellular structure that can combine a superior ability to mold to body conformation combined with the normal property of polyurethane to return to its original shape. It is a product that imparts perfect support over long periods of time, adapting to bodies' weights and temperatures and continuously molding to their shapes, minimizing pressure points. Viscoelastic also has a high capacity to absorb energy and vibration. Sleeping on a viscoelastic memory pillow significantly reduces pain while maintaining proper cervical spine posture. 100% Cotton inner pillowcase. Removable outer cover with zipper and made of Cotton jersey fabric. Internal viscoelastic memory foam structure. Cotton jersey fabric pillowcase removable and machine washable at a maximum temperature of 95°C, reduced mechanical action, rinsing at gradually decreasing temperature, reduced spinning. Latex pillow is not washable