The Royal Rest Sensus memory pillow is a totally new quality concept in maximum comfort The soft temperature sensitive visco elastic foam moulds to the shape of your head and neck for tailored comfort. The firm flexing oval shaped cores give ultimate support for correct spine alignment - without discomforting counter pressure to sensitive necks. Unlike most pillows made from so called memory foam Size 51cm x 34 cm Height (Low side) 11 cm (High Side) 13 cm the Royal Rest Sensus has an excellent air circulation through its open cell structure.