This mattress is designed to help solve five common sleep problems: Tossing and turning, back support and alignment, balanced sleep temperature, partner movement, and sagging. The memory foam and convoluted foam in the pillow: The top allows for complete relaxation by molding to your body, relieving key pressure points, and promoting airflow and breathability, the core is made of high-performance independently encased coils, designed to eliminate motion disturbance and keep you sleeping soundly. Prevents bad smells, is cool during summer and warm in winter, regulates body temperature, and absorbs moisture, special air vents help to keep the mattress dry all the time. Wayfair Sleep Size: European Single (90 x 200cm)